Fix header and info display

Add quota capacity indicator tag
Show quota use in table
2024-01-23 18:05:36 +01:00 · 2024-01-22 16:39:03 +01:00 · 2024-01-22 16:39:03 +01:00 · 2024-01-22 16:39:03 +01:00 · 2024-01-22 16:39:03 +01:00 · 2024-01-22 16:39:03 +01:00
276 changed files with 154944 additions and 158037 deletions
@@ -276,7 +276,8 @@ Restarting the service can take a few seconds, especially if the update requires
 Replace ``stable`` above with a specific version number like ``1.0`` or with ``latest`` for the development
 version, if you want to.

-Make sure to also read :ref:`update_notes` and the release notes of the version you are updating to.
+Make sure to also read :ref:`update_notes` and the release notes of the version you are updating to. Pay special
+attention to the "Runtime and server environment" section of all release notes between your current and new version.

 .. _`docker_plugininstall`:

@@ -286,7 +286,8 @@ To upgrade to a new pretix release, pull the latest code changes and run the fol
    (venv)$ python -m pretix updatestyles
    # systemctl restart pretix-web pretix-worker

-Make sure to also read :ref:`update_notes` and the release notes of the version you are updating to.
+Make sure to also read :ref:`update_notes` and the release notes of the version you are updating to. Pay special
+attention to the "Runtime and server environment" section of all release notes between your current and new version.

 .. _`manual_plugininstall`:

@@ -47,5 +47,30 @@ Or, with a docker installation::

    $ docker exec -it pretix.service pretix create_order_transactions

+Upgrade to 2023.6.0 or newer
+""""""""""""""""""""""""""""
+
+MariaDB and MySQL are no longer supported.
+
+Upgrade to 2023.8.0 or newer
+""""""""""""""""""""""""""""
+
+PostgreSQL 11 is now required.
+
+Upgrade to 2023.9.0 or newer
+""""""""""""""""""""""""""""
+
+This release includes a migration that changes the `id` column of all core database tables from `integer`
+to `bigint`. If you have a large database, the migration step of the upgrade might take significantly longer than
+usual, so plan the update accordingly.
+
+The default value for the `registration` setting in `pretix.cfg` has changed to `false`.
+
+Upgrade to 2023.10.0 or newer
+"""""""""""""""""""""""""""""
+
+This release includes a migration that changes retroactively fills an `organizer` column in the table
+`pretixbase_logentry`. If you have a large database, the migration step of the upgrade might take significantly
+longer than usual, so plan the update accordingly.

 .. _blog: https://pretix.eu/about/en/blog/
@@ -31,6 +31,7 @@ Checking a ticket in
   This endpoint supports passing multiple check-in lists to perform a multi-event scan. However, each check-in list
   passed needs to be from a distinct event.

+   :query string expand: Expand a field inside the ``position`` object into a full object. Currently ``subevent``, ``item``, ``variation``, and ``answers.question`` are supported. Can be passed multiple times.
   :<json string secret: Scanned QR code corresponding to the ``secret`` attribute of a ticket.
   :<json string source_type: Type of source the ``secret`` was obtained form. Defaults to ``"barcode"``.
   :<json array lists: List of check-in list IDs to search on. No two check-in lists may be from the same event.
@@ -63,6 +64,7 @@ Checking a ticket in
                           ``checkin_attention`` flag set. (3) If ``attendee_name`` is empty, it may automatically fall
                           back to values from a parent product or from invoice addresses.
   :>json boolean require_attention: Whether or not the ``require_attention`` flag is set on the item or order.
+   :>json list checkin_texts: List of additional texts to show to the user.
   :>json object list: Excerpt of information about the matching :ref:`check-in list <rest-checkinlists>` (if any was found),
                       including the attributes ``id``, ``name``, ``event``, ``subevent``, and ``include_pending``.
   :>json object questions: List of questions to be answered for check-in, only set on status ``"incomplete"``.
@@ -103,6 +105,7 @@ Checking a ticket in
          …
        },
        "require_attention": false,
+        "checkin_texts": [],
        "list": {
          "id": 1,
          "name": "Default check-in list",
@@ -125,6 +128,7 @@ Checking a ticket in
          …
        },
        "require_attention": false,
+        "checkin_texts": [],
        "list": {
          "id": 1,
          "name": "Default check-in list",
@@ -142,6 +146,7 @@ Checking a ticket in
            "position": 1,
            "identifier": "WY3TP9SL",
            "ask_during_checkin": true,
+            "show_during_checkin": true,
            "options": [
              {
                "id": 1,
@@ -178,7 +183,8 @@ Checking a ticket in
        "status": "error",
        "reason": "invalid",
        "reason_explanation": null,
-        "require_attention": false
+        "require_attention": false,
+        "checkin_texts": []
      }

   **Example error response (known, but invalid ticket)**:
@@ -193,6 +199,7 @@ Checking a ticket in
        "reason": "unpaid",
        "reason_explanation": null,
        "require_attention": false,
+        "checkin_texts": [],
        "list": {
          "id": 1,
          "name": "Default check-in list",
@@ -217,6 +224,7 @@ Checking a ticket in
   * ``rules`` - Check-in prevented by a user-defined rule.
   * ``ambiguous`` - Multiple tickets match scan, rejected.
   * ``revoked`` - Ticket code has been revoked.
+   * ``unapproved`` - Order has not yet been approved.
   * ``error`` - Internal error.

   In case of reason ``rules`` and ``invalid_time``, there might be an additional response field ``reason_explanation``
@@ -498,7 +498,7 @@ Order position endpoints
                           ``attendee_name,positionid``
   :query string order: Only return positions of the order with the given order code
   :query string search: Fuzzy search matching the attendee name, order code, invoice address name as well as to the beginning of the secret.
-   :query string expand: Expand a field into a full object. Currently only ``subevent``, ``item``, and ``variation`` are supported. Can be passed multiple times.
+   :query string expand: Expand a field into a full object. Currently ``subevent``, ``item``, ``variation``, and ``answers.question`` are supported. Can be passed multiple times.
   :query integer item: Only return positions with the purchased item matching the given ID.
   :query integer item__in: Only return positions with the purchased item matching one of the given comma-separated IDs.
   :query integer variation: Only return positions with the purchased item variation matching the given ID.
@@ -632,7 +632,8 @@ Order position endpoints
                                       set this to ``false``. In that case, questions will just be ignored. Defaults
                                       to ``true``.
   :<json boolean canceled_supported: When this parameter is set to ``true``, the response code ``canceled`` may be
-                                      returned. Otherwise, canceled orders will return ``unpaid``.
+                                      returned. Otherwise, canceled orders will return ``unpaid``. (**Deprecated**, in
+                                      the future, this will be ignored and ``canceled`` may always be returned.)
   :<json datetime datetime: Specifies the datetime of the check-in. If not supplied, the current time will be used.
   :<json boolean force: Specifies that the check-in should succeed regardless of revoked barcode, previous check-ins or required
                         questions that have not been filled. This is usually used to upload offline scans that already happened,
@@ -706,6 +707,7 @@ Order position endpoints
            "position": 1,
            "identifier": "WY3TP9SL",
            "ask_during_checkin": true,
+            "show_during_checkin": true,
            "options": [
              {
                "id": 1,
@@ -758,6 +760,7 @@ Order position endpoints
   * ``rules`` - Check-in prevented by a user-defined rule.
   * ``ambiguous`` - Multiple tickets match scan, rejected.
   * ``revoked`` - Ticket code has been revoked.
+   * ``unapproved`` - Order has not yet been approved.

   In case of reason ``rules`` or ``invalid_time``, there might be an additional response field ``reason_explanation``
   with a human-readable description of the violated rules. However, that field can also be missing or be ``null``.
@@ -343,8 +343,8 @@ Endpoints
   Creates a new event with properties as set in the request body. The properties that are copied are: ``is_public``,
   ``testmode``, ``has_subevents``, settings, plugin settings, items, variations, add-ons, quotas, categories, tax rules, questions.

-   If the ``plugins``, ``has_subevents`` and/or ``is_public`` fields are present in the post body this will determine their
-   value. Otherwise their value will be copied from the existing event.
+   If the ``plugins``, ``has_subevents``, ``meta_data`` and/or ``is_public`` fields are present in the post body this will
+   determine their  value. Otherwise their value will be copied from the existing event.

   Please note that you can only copy from events under the same organizer this way. Use the ``clone_from`` parameter
   when creating a new event for this instead.
@@ -29,6 +29,8 @@ position                              integer                    An integer, use
 checkin_attention                     boolean                    If ``true``, the check-in app should show a warning
                                                                 that this ticket requires special attention if such
                                                                 a variation is being scanned.
+checkin_text                          string                     Text that will be shown if a ticket of this type is
+                                                                 scanned (or ``null``).
 require_approval                      boolean                    If ``true``, orders with this variation will need to be
                                                                 approved by the event organizer before they can be
                                                                 paid.
@@ -58,6 +60,8 @@ meta_data                             object                     Values set for
 .. versionchanged:: 2023.10

   The ``free_price_suggestion`` attribute has been added.
+   The ``checkin_text`` attribute has been added.
+

 Endpoints
 ---------
@@ -94,6 +98,7 @@ Endpoints
            },
            "active": true,
            "checkin_attention": false,
+            "checkin_text": null,
            "require_approval": false,
            "require_membership": false,
            "require_membership_hidden": false,
@@ -119,6 +124,7 @@ Endpoints
            },
            "active": true,
            "checkin_attention": false,
+            "checkin_text": null,
            "require_approval": false,
            "require_membership": false,
            "require_membership_hidden": false,
@@ -179,6 +185,7 @@ Endpoints
        "free_price_suggestion": null,
        "active": true,
        "checkin_attention": false,
+        "checkin_text": null,
        "require_approval": false,
        "require_membership": false,
        "require_membership_hidden": false,
@@ -218,6 +225,7 @@ Endpoints
        "default_price": "10.00",
        "active": true,
        "checkin_attention": false,
+        "checkin_text": null,
        "require_approval": false,
        "require_membership": false,
        "require_membership_hidden": false,
@@ -248,6 +256,7 @@ Endpoints
        "free_price_suggestion": null,
        "active": true,
        "checkin_attention": false,
+        "checkin_text": null,
        "require_approval": false,
        "require_membership": false,
        "require_membership_hidden": false,
@@ -309,6 +318,7 @@ Endpoints
        "free_price_suggestion": null,
        "active": false,
        "checkin_attention": false,
+        "checkin_text": null,
        "require_approval": false,
        "require_membership": false,
        "require_membership_hidden": false,
@@ -74,6 +74,8 @@ max_per_order                           integer                    This product
 checkin_attention                       boolean                    If ``true``, the check-in app should show a warning
                                                                   that this ticket requires special attention if such
                                                                   a product is being scanned.
+checkin_text                            string                     Text that will be shown if a ticket of this type is
+                                                                   scanned (or ``null``).
 original_price                          money (string)             An original price, shown for comparison, not used
                                                                   for price calculations (or ``null``).
 require_approval                        boolean                    If ``true``, orders with this product will need to be
@@ -137,6 +139,8 @@ variations                              list of objects            A list with o
 ├ checkin_attention                     boolean                    If ``true``, the check-in app should show a warning
                                                                   that this ticket requires special attention if such
                                                                   a variation is being scanned.
+├ checkin_text                          string                     Text that will be shown if a ticket of this type is
+                                                                   scanned (or ``null``).
 ├ require_approval                      boolean                    If ``true``, orders with this variation will need to be
                                                                   approved by the event organizer before they can be
                                                                   paid.
@@ -205,6 +209,7 @@ meta_data                               object                     Values set fo

 .. versionchanged:: 2023.10

+   The ``checkin_text`` and ``variations[x].checkin_text`` attributes have been added.
   The ``free_price_suggestion`` and ``variations[x].free_price_suggestion`` attributes have been added.

 .. versionchanged:: 2023.10
@@ -283,6 +288,7 @@ Endpoints
            "min_per_order": null,
            "max_per_order": null,
            "checkin_attention": false,
+            "checkin_text": null,
            "has_variations": false,
            "generate_tickets": null,
            "allow_waitinglist": true,
@@ -312,6 +318,7 @@ Endpoints
                 "free_price_suggestion": null,
                 "active": true,
                 "checkin_attention": false,
+                 "checkin_text": null,
                 "require_approval": false,
                 "require_membership": false,
                 "require_membership_types": [],
@@ -331,6 +338,7 @@ Endpoints
                 "free_price_suggestion": null,
                 "active": true,
                 "checkin_attention": false,
+                 "checkin_text": null,
                 "require_approval": false,
                 "require_membership": false,
                 "require_membership_types": [],
@@ -421,6 +429,7 @@ Endpoints
        "min_per_order": null,
        "max_per_order": null,
        "checkin_attention": false,
+        "checkin_text": null,
        "has_variations": false,
        "require_approval": false,
        "require_bundling": false,
@@ -447,6 +456,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -466,6 +476,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -537,6 +548,7 @@ Endpoints
        "min_per_order": null,
        "max_per_order": null,
        "checkin_attention": false,
+        "checkin_text": null,
        "require_approval": false,
        "require_bundling": false,
        "require_membership": false,
@@ -562,6 +574,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -581,6 +594,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -640,6 +654,7 @@ Endpoints
        "allow_waitinglist": true,
        "show_quota_left": null,
        "checkin_attention": false,
+        "checkin_text": null,
        "has_variations": true,
        "require_approval": false,
        "require_bundling": false,
@@ -666,6 +681,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -685,6 +701,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -775,6 +792,7 @@ Endpoints
        "min_per_order": null,
        "max_per_order": null,
        "checkin_attention": false,
+        "checkin_text": null,
        "has_variations": true,
        "require_approval": false,
        "require_bundling": false,
@@ -801,6 +819,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -820,6 +839,7 @@ Endpoints
             "free_price_suggestion": null,
             "active": true,
             "checkin_attention": false,
+             "checkin_text": null,
             "require_approval": false,
             "require_membership": false,
             "require_membership_types": [],
@@ -46,6 +46,8 @@ custom_followup_at                    date                       Internal date f
 checkin_attention                     boolean                    If ``true``, the check-in app should show a warning
                                                                 that this ticket requires special attention if a ticket
                                                                 of this order is scanned.
+checkin_text                          string                     Text that will be shown if a ticket of this order is
+                                                                 scanned (or ``null``).
 invoice_address                       object                     Invoice address information (can be ``null``)
 ├ last_modified                       datetime                   Last modification date of the address
 ├ company                             string                     Customer company name
@@ -139,6 +141,14 @@ last_modified                         datetime                   Last modificati

   The ``customer`` query parameter has been added.

+.. versionchanged:: 2023.10
+
+   The ``checkin_text`` attribute has been added.
+
+.. versionchanged:: 2024.1
+
+   The ``expires`` attribute can now be passed during order creation.
+

 .. _order-position-resource:

@@ -318,6 +328,7 @@ List of all orders
            "comment": "",
            "custom_followup_at": null,
            "checkin_attention": false,
+            "checkin_text": null,
            "require_approval": false,
            "valid_if_pending": false,
            "invoice_address": {
@@ -539,6 +550,7 @@ Fetching individual orders
        "comment": "",
        "custom_followup_at": null,
        "checkin_attention": false,
+        "checkin_text": null,
        "require_approval": false,
        "valid_if_pending": false,
        "invoice_address": {
@@ -709,6 +721,8 @@ Updating order fields

   * ``checkin_attention``

+   * ``checkin_text``
+
   * ``locale``

   * ``comment``
@@ -719,6 +733,8 @@ Updating order fields

   * ``valid_if_pending``

+   * ``expires``
+
   **Example request**:

   .. sourcecode:: http
@@ -924,6 +940,7 @@ Creating orders
   * ``comment`` (optional)
   * ``custom_followup_at`` (optional)
   * ``checkin_attention`` (optional)
+   * ``checkin_text`` (optional)
   * ``require_approval`` (optional)
   * ``valid_if_pending`` (optional)
   * ``invoice_address`` (optional)
@@ -44,6 +44,8 @@ identifier                            string                     An arbitrary st
 ask_during_checkin                    boolean                    If ``true``, this question will not be asked while
                                                                 buying the ticket, but will show up when redeeming
                                                                 the ticket instead.
+show_during_checkin                   boolean                    If ``true``, the answer to the question will be shown
+                                                                 during check-in (if the check-in client supports it).
 hidden                                boolean                    If ``true``, the question will only be shown in the
                                                                 backend.
 print_on_invoice                      boolean                    If ``true``, the question will only be shown on
@@ -77,6 +79,10 @@ dependency_value                      string                     An old version
                                                                 for one value. **Deprecated.**
 ===================================== ========================== =======================================================

+.. versionchanged:: 2023.8
+
+   The ``show_during_checkin`` attribute has been added.
+
 Endpoints
 ---------

@@ -115,6 +121,7 @@ Endpoints
            "position": 1,
            "identifier": "WY3TP9SL",
            "ask_during_checkin": false,
+            "show_during_checkin": false,
            "hidden": false,
            "print_on_invoice": false,
            "valid_number_min": null,
@@ -194,6 +201,7 @@ Endpoints
        "position": 1,
        "identifier": "WY3TP9SL",
        "ask_during_checkin": false,
+        "show_during_checkin": false,
        "hidden": false,
        "print_on_invoice": false,
        "valid_number_min": null,
@@ -257,6 +265,7 @@ Endpoints
        "items": [1, 2],
        "position": 1,
        "ask_during_checkin": false,
+        "show_during_checkin": false,
        "hidden": false,
        "print_on_invoice": false,
        "dependency_question": null,
@@ -293,6 +302,7 @@ Endpoints
        "position": 1,
        "identifier": "WY3TP9SL",
        "ask_during_checkin": false,
+        "show_during_checkin": false,
        "hidden": false,
        "print_on_invoice": false,
        "dependency_question": null,
@@ -376,6 +386,7 @@ Endpoints
        "position": 2,
        "identifier": "WY3TP9SL",
        "ask_during_checkin": false,
+        "show_during_checkin": false,
        "hidden": false,
        "print_on_invoice": false,
        "dependency_question": null,
@@ -11,7 +11,7 @@ Core
 ----

 .. automodule:: pretix.base.signals
-   :members: periodic_task, event_live_issues, event_copy_data, email_filter, register_notification_types,
+   :members: periodic_task, event_live_issues, event_copy_data, email_filter, register_notification_types, notification,
      item_copy_data, register_sales_channels, register_global_settings, quota_availability, global_email_filter,
      register_ticket_secret_generators, gift_card_transaction_display

@@ -25,27 +25,27 @@ partition "data-based check" {
    else
        -down->[yes] "Is one or more block set on the ticket?"
        --> if "" then
-            -right->[no] "Return error BLOCKED"
+            -right->[yes] "Return error BLOCKED"
        else
-            -down->[yes] "If this is not an exit, is the valid_from/valid_until\nconstraint on the ticket fulfilled?"
+            -down->[no] "Is the order in status PENDING and not yet approved?"
            --> if "" then
-                -right->[no] "Return error INVALID_TIME"
+                -right->[yes] "Return error UNAPPROVED"
            else
-                -down->[yes] "Is the product part of the check-in list?"
+                -down->[no] "If this is not an exit, is the valid_from/valid_until\nconstraint on the ticket fulfilled?"
                --> if "" then
-                    -right->[no] "Return error PRODUCT"
+                    -right->[no] "Return error INVALID_TIME"
                else
-                    -down->[yes] "Is the subevent part of the check-in list?"
+                    -down->[yes] "Is the product part of the check-in list?"
                    --> if "" then
-                        -right->[no] "Return error INVALID"
-                        note bottom: TODO\ninconsistent\nwith online\ncheck
+                        -right->[no] "Return error PRODUCT"
                    else
-                        -down->[yes] "Is the order in status PAID?"
+                        -down->[yes] "Is the subevent part of the check-in list?"
                        --> if "" then
-                            -right->[no] "Is Order.require_approval set?"
+                            -right->[no] "Return error INVALID"
+                            note bottom: TODO\ninconsistent\nwith online\ncheck
+                        else
+                            -down->[yes] "Is the order in status PAID?"
                            --> if "" then
-                                -->[yes] "Return error UNPAID "
-                            else
                                -right->[no] "Is Order.valid_if_pending set?"
                                --> if "" then
                                    -->[yes] "Is this an entry or exit?"
@@ -62,9 +62,9 @@ partition "data-based check" {
                                        endif
                                    endif
                                endif
+                            else
+                                -down->[yes] "Is this an entry or exit?"
                            endif
-                        else
-                            -down->[yes] "Is this an entry or exit?"
                        endif
                    endif
                endif
@@ -42,23 +42,25 @@ endif
 else
    -down->[yes || force] "Is one or more block set on the ticket?"
    --> if "" then
-        -right->[no && !force] "Return error BLOCKED"
+        -right->[yes && !force] "Return error BLOCKED"
    else
-        -down->[yes || force] "If this is not an exit, is the valid_from/valid_until\nconstraint on the ticket fulfilled?"
+        -down->[no || force] "Is the order in status PENDING and not yet approved?"
        --> if "" then
-            -right->[no && !force] "Return error INVALID_TIME"
+            -right->[yes && !force] "Return error UNAPPROVED"
        else
-            -down->[yes || force] "Is the product part of the check-in list?"
+            -down->[no || force] "If this is not an exit, is the valid_from/valid_until\nconstraint on the ticket fulfilled?"
            --> if "" then
-                -right->[no && !force] "Return error PRODUCT"
+                -right->[no && !force] "Return error INVALID_TIME"
            else
-                -down->[yes || force] "Is the subevent part of the check-in list?"
+                -down->[yes || force] "Is the product part of the check-in list?"
                --> if "" then
-                    -right->[no && !force] "Return error PRODUCT "
+                    -right->[no && !force] "Return error PRODUCT"
                else
-                    -down->[yes] "Is the order in status PAID?"
+                    -down->[yes || force] "Is the subevent part of the check-in list?"
                    --> if "" then
-                        -right->[no && !force] "Is Order.require_approval set?"
+                        -right->[no && !force] "Return error PRODUCT "
+                    else
+                        -down->[yes] "Is the order in status PAID?"
                        --> if "" then
                            -->[no] "Is Order.valid_if_pending set?"
                            --> if "" then
@@ -77,10 +79,8 @@ else
                                endif
                            endif
                        else
-                            -->[yes] "Return error UNPAID "
+                            -down->[yes || force] "Is this an entry or exit?\nIs the upload forced?"
                        endif
-                    else
-                        -down->[yes || force] "Is this an entry or exit?\nIs the upload forced?"
                    endif
                endif
            endif
@@ -32,6 +32,7 @@ transactions                          list of objects            Transactions in
 ├ checksum                            string                     Checksum computed from payer, reference, amount and
                                                                 date
 ├ payer                               string                     Payment source
+├ external_id                         string                     Unique ID of the payment from an external source
 ├ reference                           string                     Payment reference
 ├ amount                              string                     Payment amount
 ├ iban                                string                     Payment IBAN
@@ -85,6 +86,7 @@ Endpoints
                "date": "26.06.2017",
                "payer": "John Doe",
                "order": null,
+                "external_id": null,
                "iban": "",
                "bic": "",
                "checksum": "5de03a601644dfa63420dacfd285565f8375a8f2",
@@ -139,6 +141,7 @@ Endpoints
            "iban": "",
            "bic": "",
            "order": null,
+            "external_id": null,
            "checksum": "5de03a601644dfa63420dacfd285565f8375a8f2",
            "reference": "GUTSCHRIFT\r\nSAMPLECONF-NAB12 EREF: SAMPLECONF-NAB12\r\nIBAN: DE1234556…",
            "state": "nomatch",
@@ -194,17 +194,23 @@ A complete record could look like this::

   v=spf1 a mx include:_spf.pretix.eu ~all

-Make sure to read up on the `SPF specification`_. If you want to authenticate your emails with DKIM, set up a DNS TXT
-record for the subdomain ``pretix._domainkey`` with the following contents::
+Make sure to read up on the `SPF specification`_.

-   v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXrDk6lwOWX00e2MbiiJac6huI+gnzLf9N4G1FnBv3PXq8fz3i2q1szH72OF5mAlKm3zXO4cl/uxx+lfidS1ERbX6Bn9BRstBTQUKWC4JFj8Yk9+fwT7LWehDURazLdTzfsIjJFudLLvxtOKSaOCtMhbPX05DIhziaqVCBqgz/NQIDAQAB
+If you want to authenticate your emails with `DKIM`_, set up a ``CNAME`` record for the subdomain ``pretix._domainkey``
+pointing to ``dkim.pretix.eu``::
+
+   pretix._domainkey.mydomain.com. CNAME dkim.pretix.eu.

 Then, please contact support@pretix.eu and we will enable DKIM for your domain on our mail servers.

+For senders with larger volumes, Google Mail also requires you to have a `DMARC`_ policy (that may however be ``p=none``).
+
 .. note:: Many SMTP servers impose rate limits on the sent emails, such as a maximum number of emails sent per hour.
          These SMTP servers are often not suitable for use with pretix, in case you want to send an email to many
          hundreds or thousands of ticket buyers. Depending on how the rate limit is implemented, emails might be lost
          in this case, as pretix only retries email delivery for a certain time period.

+.. _DKIM: https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail
 .. _Sender Policy Framework: https://en.wikipedia.org/wiki/Sender_Policy_Framework
 .. _SPF specification: http://www.open-spf.org/SPF_Record_Syntax
+.. _DMARC: https://en.wikipedia.org/wiki/DMARC
@@ -138,7 +138,7 @@ the button-style of that checkbox with the one in the pretix shop, you can use t

 .. note::

-        Due to compatibilty with existing widget installations, the default value for ``single-item-select``
+        Due to compatibility with existing widget installations, the default value for ``single-item-select``
        is ``checkbox``. This might change in the future, so make sure, to set the attribute to 
        ``single-item-select="checkbox"`` if you need it.

@@ -196,7 +196,7 @@ settings. For example, if you set up a meta data property called "Promoted" that

   <pretix-widget event="https://pretix.eu/demo/series/" list-type="list" filter="attr[Promoted]=Yes"></pretix-widget>

-If you have enabled public filters in your meta data attribute configuration, a filter formshows up. To disable, use::
+If you have enabled public filters in your meta data attribute configuration, a filter-form shows up. To disable, use::

   <pretix-widget event="https://pretix.eu/demo/democon/" disable-filters></pretix-widget>

@@ -145,7 +145,7 @@ to get a better plain text representation of your text. Note however, that for
 security reasons you can only use the following HTML elements::

    a, abbr, acronym, b, br, code, div, em, h1, h2,
-    h3, h4, h5, h6, hr, i, li, ol, p, pre, span, strong,
+    h3, h4, h5, h6, hr, i, li, ol, p, pre, s, span, strong,
    table, tbody, td, thead, tr, ul

 Additionally, only the following attributes are allowed on them::
@@ -59,7 +59,7 @@ dependencies = [
  "dnspython==2.3.*",
  "drf_ujson2==1.7.*",
  "geoip2==4.*",
-  "importlib_metadata==6.*",  # Polyfill, we can probably drop this once we require Python 3.10+
+  "importlib_metadata==7.*",  # Polyfill, we can probably drop this once we require Python 3.10+
  "isoweek",
  "jsonschema",
  "kombu==5.3.*",
@@ -97,7 +97,7 @@ dependencies = [
  "sepaxml==2.6.*",
  "slimit",
  "static3==0.7.*",
-  "stripe==5.4.*",
+  "stripe==7.9.*",
  "text-unidecode==1.*",
  "tlds>=2020041600",
  "tqdm==4.*",
@@ -19,4 +19,4 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
-__version__ = "2023.10.0.dev0"
+__version__ = "2023.11.0.dev0"
@@ -109,7 +109,7 @@ LANGUAGES_RTL = {
    'ar', 'hw'
 }
 LANGUAGES_INCUBATING = {
-    'pl', 'fi', 'pt-br', 'gl',
+    'fi', 'pt-br', 'gl',
 }
 LOCALE_PATHS = [
    os.path.join(os.path.dirname(__file__), 'locale'),
@@ -267,9 +267,10 @@ CACHE_LARGE_VALUES_ALIAS = 'default'
 FILE_UPLOAD_EXTENSIONS_IMAGE = (".png", ".jpg", ".gif", ".jpeg")
 PILLOW_FORMATS_IMAGE = ('PNG', 'GIF', 'JPEG')

-FILE_UPLOAD_EXTENSIONS_FAVICON = (".ico", ".png", "jpg", ".gif", ".jpeg")
+FILE_UPLOAD_EXTENSIONS_FAVICON = (".ico", ".png", ".jpg", ".gif", ".jpeg")
+PILLOW_FORMATS_QUESTIONS_FAVICON = ('PNG', 'GIF', 'JPEG', 'ICO')

-FILE_UPLOAD_EXTENSIONS_QUESTION_IMAGE = (".png", "jpg", ".gif", ".jpeg", ".bmp", ".tif", ".tiff", ".jfif")
+FILE_UPLOAD_EXTENSIONS_QUESTION_IMAGE = (".png", ".jpg", ".gif", ".jpeg", ".bmp", ".tif", ".tiff", ".jfif")
 PILLOW_FORMATS_QUESTIONS_IMAGE = ('PNG', 'GIF', 'JPEG', 'BMP', 'TIFF')

 FILE_UPLOAD_EXTENSIONS_EMAIL_ATTACHMENT = (
@@ -278,3 +279,5 @@ FILE_UPLOAD_EXTENSIONS_EMAIL_ATTACHMENT = (
    ".bmp", ".tif", ".tiff"
 )
 FILE_UPLOAD_EXTENSIONS_OTHER = FILE_UPLOAD_EXTENSIONS_EMAIL_ATTACHMENT
+
+PRETIX_MAX_ORDER_SIZE = 500
@@ -38,6 +38,7 @@ MAIL_FROM_ORGANIZERS = 'invalid@invalid'
 FILE_UPLOAD_MAX_SIZE_EMAIL_AUTO_ATTACHMENT = 10
 FILE_UPLOAD_MAX_SIZE_EMAIL_ATTACHMENT = 10
 FILE_UPLOAD_MAX_SIZE_IMAGE = 10
+FILE_UPLOAD_MAX_SIZE_FAVICON = 10
 DEFAULT_CURRENCY = 'EUR'
 SECRET_KEY = "build-time-secret-key"
 HAS_REDIS = False
@@ -424,7 +424,7 @@ class CloneEventSerializer(EventSerializer):
        new_event = super().create({**validated_data, 'plugins': None})

        event = Event.objects.filter(slug=self.context['event'], organizer=self.context['organizer'].pk).first()
-        new_event.copy_data_from(event)
+        new_event.copy_data_from(event, skip_meta_data='meta_data' in validated_data)

        if plugins is not None:
            new_event.set_active_plugins(plugins)
@@ -796,6 +796,8 @@ class EventSettingsSerializer(SettingsSerializer):
        'cancel_allow_user_paid_refund_as_giftcard',
        'cancel_allow_user_paid_require_approval',
        'cancel_allow_user_paid_require_approval_fee_unknown',
+        'cancel_terms_paid',
+        'cancel_terms_unpaid',
        'change_allow_user_variation',
        'change_allow_user_addons',
        'change_allow_user_until',
@@ -61,7 +61,7 @@ class InlineItemVariationSerializer(I18nAwareModelSerializer):
        fields = ('id', 'value', 'active', 'description',
                  'position', 'default_price', 'price', 'original_price', 'free_price_suggestion', 'require_approval',
                  'require_membership', 'require_membership_types', 'require_membership_hidden',
-                  'checkin_attention', 'available_from', 'available_until',
+                  'checkin_attention', 'checkin_text', 'available_from', 'available_until',
                  'sales_channels', 'hide_without_voucher', 'meta_data')

    def __init__(self, *args, **kwargs):
@@ -85,7 +85,7 @@ class ItemVariationSerializer(I18nAwareModelSerializer):
        fields = ('id', 'value', 'active', 'description',
                  'position', 'default_price', 'price', 'original_price', 'free_price_suggestion', 'require_approval',
                  'require_membership', 'require_membership_types', 'require_membership_hidden',
-                  'checkin_attention', 'available_from', 'available_until',
+                  'checkin_attention', 'checkin_text', 'available_from', 'available_until',
                  'sales_channels', 'hide_without_voucher', 'meta_data')

    def __init__(self, *args, **kwargs):
@@ -237,7 +237,7 @@ class ItemSerializer(I18nAwareModelSerializer):
                  'default_price', 'free_price', 'free_price_suggestion', 'tax_rate', 'tax_rule', 'admission',
                  'personalized', 'position', 'picture', 'available_from', 'available_until',
                  'require_voucher', 'hide_without_voucher', 'allow_cancel', 'require_bundling',
-                  'min_per_order', 'max_per_order', 'checkin_attention', 'has_variations', 'variations',
+                  'min_per_order', 'max_per_order', 'checkin_attention', 'checkin_text', 'has_variations', 'variations',
                  'addons', 'bundles', 'original_price', 'require_approval', 'generate_tickets',
                  'show_quota_left', 'hidden_if_available', 'hidden_if_item_available', 'allow_waitinglist',
                  'issue_giftcard', 'meta_data',
@@ -440,7 +440,7 @@ class QuestionSerializer(I18nAwareModelSerializer):
    class Meta:
        model = Question
        fields = ('id', 'question', 'type', 'required', 'items', 'options', 'position',
-                  'ask_during_checkin', 'identifier', 'dependency_question', 'dependency_values',
+                  'ask_during_checkin', 'show_during_checkin', 'identifier', 'dependency_question', 'dependency_values',
                  'hidden', 'dependency_value', 'print_on_invoice', 'help_text', 'valid_number_min',
                  'valid_number_max', 'valid_date_min', 'valid_date_max', 'valid_datetime_min', 'valid_datetime_max',
                  'valid_string_length_max', 'valid_file_portrait')
@@ -486,6 +486,9 @@ class QuestionSerializer(I18nAwareModelSerializer):
        if full_data.get('ask_during_checkin') and full_data.get('type') in Question.ASK_DURING_CHECKIN_UNSUPPORTED:
            raise ValidationError(_('This type of question cannot be asked during check-in.'))

+        if full_data.get('show_during_checkin') and full_data.get('type') in Question.SHOW_DURING_CHECKIN_UNSUPPORTED:
+            raise ValidationError(_('This type of question cannot be shown during check-in.'))
+
        Question.clean_items(event, full_data.get('items'))
        return data

@@ -44,7 +44,7 @@ from pretix.api.serializers import CompatibleJSONField
 from pretix.api.serializers.event import SubEventSerializer
 from pretix.api.serializers.i18n import I18nAwareModelSerializer
 from pretix.api.serializers.item import (
-    InlineItemVariationSerializer, ItemSerializer,
+    InlineItemVariationSerializer, ItemSerializer, QuestionSerializer,
 )
 from pretix.base.channels import get_all_sales_channels
 from pretix.base.decimal import round_decimal
@@ -585,6 +585,9 @@ class CheckinListOrderPositionSerializer(OrderPositionSerializer):
        if 'variation' in self.context['expand']:
            self.fields['variation'] = InlineItemVariationSerializer(read_only=True)

+        if 'answers.question' in self.context['expand']:
+            self.fields['answers'].child.fields['question'] = QuestionSerializer(read_only=True)
+

 class OrderPaymentTypeField(serializers.Field):
    # TODO: Remove after pretix 2.2
@@ -715,7 +718,7 @@ class OrderSerializer(I18nAwareModelSerializer):
        fields = (
            'code', 'event', 'status', 'testmode', 'secret', 'email', 'phone', 'locale', 'datetime', 'expires', 'payment_date',
            'payment_provider', 'fees', 'total', 'comment', 'custom_followup_at', 'invoice_address', 'positions', 'downloads',
-            'checkin_attention', 'last_modified', 'payments', 'refunds', 'require_approval', 'sales_channel',
+            'checkin_attention', 'checkin_text', 'last_modified', 'payments', 'refunds', 'require_approval', 'sales_channel',
            'url', 'customer', 'valid_if_pending'
        )
        read_only_fields = (
@@ -771,8 +774,8 @@ class OrderSerializer(I18nAwareModelSerializer):
    def update(self, instance, validated_data):
        # Even though all fields that shouldn't be edited are marked as read_only in the serializer
        # (hopefully), we'll be extra careful here and be explicit about the model fields we update.
-        update_fields = ['comment', 'custom_followup_at', 'checkin_attention', 'email', 'locale', 'phone',
-                         'valid_if_pending']
+        update_fields = ['comment', 'custom_followup_at', 'checkin_attention', 'checkin_text', 'email', 'locale',
+                         'phone', 'valid_if_pending']

        if 'invoice_address' in validated_data:
            iadata = validated_data.pop('invoice_address')
@@ -1032,13 +1035,14 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
        super().__init__(*args, **kwargs)
        self.fields['positions'].child.fields['voucher'].queryset = self.context['event'].vouchers.all()
        self.fields['customer'].queryset = self.context['event'].organizer.customers.all()
+        self.fields['expires'].required = False

    class Meta:
        model = Order
        fields = ('code', 'status', 'testmode', 'email', 'phone', 'locale', 'payment_provider', 'fees', 'comment', 'sales_channel',
-                  'invoice_address', 'positions', 'checkin_attention', 'payment_info', 'payment_date', 'consume_carts',
-                  'force', 'send_email', 'simulate', 'customer', 'custom_followup_at', 'require_approval',
-                  'valid_if_pending')
+                  'invoice_address', 'positions', 'checkin_attention', 'checkin_text', 'payment_info', 'payment_date',
+                  'consume_carts', 'force', 'send_email', 'simulate', 'customer', 'custom_followup_at',
+                  'require_approval', 'valid_if_pending', 'expires')

    def validate_payment_provider(self, pp):
        if pp is None:
@@ -1047,6 +1051,11 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
            raise ValidationError('The given payment provider is not known.')
        return pp

+    def validate_expires(self, expires):
+        if expires < now():
+            raise ValidationError('Expiration date must be in the future.')
+        return expires
+
    def validate_sales_channel(self, channel):
        if channel not in get_all_sales_channels():
            raise ValidationError('Unknown sales channel.')
@@ -1068,6 +1077,10 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
            raise ValidationError(
                'An order cannot be empty.'
            )
+        if len(data) > settings.PRETIX_MAX_ORDER_SIZE:
+            raise ValidationError(
+                'Orders cannot have more than %(max)s positions.' % {'max': settings.PRETIX_MAX_ORDER_SIZE}
+            )
        errs = [{} for p in data]
        if any([p.get('positionid') for p in data]):
            if not all([p.get('positionid') for p in data]):
@@ -1353,7 +1366,8 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
        if validated_data.get('locale', None) is None:
            validated_data['locale'] = self.context['event'].settings.locale
        order = Order(event=self.context['event'], **validated_data)
-        order.set_expires(subevents=[p.get('subevent') for p in positions_data])
+        if not validated_data.get('expires'):
+            order.set_expires(subevents=[p.get('subevent') for p in positions_data])
        order.meta_info = "{}"
        order.total = Decimal('0.00')
        if validated_data.get('require_approval') is not None:
@@ -536,6 +536,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                                'reason': Checkin.REASON_ALREADY_REDEEMED,
                                'reason_explanation': None,
                                'require_attention': False,
+                                'checkin_texts': [],
                                '__warning': 'Compatibility hack active due to detected old pretixSCAN version',
                            }, status=400)
                    except:  # we don't care e.g. about invalid version numbers
@@ -547,6 +548,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                    'reason': Checkin.REASON_INVALID,
                    'reason_explanation': None,
                    'require_attention': False,
+                    'checkin_texts': [],
                    'list': MiniCheckinListSerializer(checkinlists[0]).data,
                }, status=404)
            elif revoked_matches and force:
@@ -576,6 +578,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                    'reason': Checkin.REASON_REVOKED,
                    'reason_explanation': None,
                    'require_attention': False,
+                    'checkin_texts': [],
                    'position': CheckinListOrderPositionSerializer(op, context=_make_context(context, revoked_matches[
                        0].event)).data,
                    'list': MiniCheckinListSerializer(list_by_event[revoked_matches[0].event_id]).data,
@@ -631,6 +634,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                'reason': Checkin.REASON_AMBIGUOUS,
                'reason_explanation': None,
                'require_attention': op.require_checkin_attention,
+                'checkin_texts': op.checkin_texts,
                'position': CheckinListOrderPositionSerializer(op, context=_make_context(context, op.order.event)).data,
                'list': MiniCheckinListSerializer(list_by_event[op.order.event_id]).data,
            }, status=400)
@@ -679,6 +683,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
            return Response({
                'status': 'incomplete',
                'require_attention': op.require_checkin_attention,
+                'checkin_texts': op.checkin_texts,
                'position': CheckinListOrderPositionSerializer(op, context=_make_context(context, op.order.event)).data,
                'questions': [
                    QuestionSerializer(q).data for q in e.questions
@@ -709,6 +714,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
                'reason': e.code,
                'reason_explanation': e.reason,
                'require_attention': op.require_checkin_attention,
+                'checkin_texts': op.checkin_texts,
                'position': CheckinListOrderPositionSerializer(op, context=_make_context(context, op.order.event)).data,
                'list': MiniCheckinListSerializer(list_by_event[op.order.event_id]).data,
            }, status=400)
@@ -716,6 +722,7 @@ def _redeem_process(*, checkinlists, raw_barcode, answers_data, datetime, force,
            return Response({
                'status': 'ok',
                'require_attention': op.require_checkin_attention,
+                'checkin_texts': op.checkin_texts,
                'position': CheckinListOrderPositionSerializer(op, context=_make_context(context, op.order.event)).data,
                'list': MiniCheckinListSerializer(list_by_event[op.order.event_id]).data,
            }, status=201)
@@ -254,7 +254,7 @@ class EventViewSet(viewsets.ModelViewSet):
        new_event = serializer.save(organizer=self.request.organizer)

        if copy_from:
-            new_event.copy_data_from(copy_from)
+            new_event.copy_data_from(copy_from, skip_meta_data='meta_data' in serializer.validated_data)

            if plugins is not None:
                new_event.set_active_plugins(plugins)
@@ -222,6 +222,8 @@ class OrderViewSetMixin:
            qs = qs.prefetch_related('refunds', 'refunds__payment')
        if 'invoice_address' not in self.request.GET.getlist('exclude'):
            qs = qs.select_related('invoice_address')
+        if 'customer' not in self.request.GET.getlist('exclude'):
+            qs = qs.select_related('customer')

        qs = qs.prefetch_related(self._positions_prefetch(self.request))
        return qs
@@ -827,6 +829,16 @@ class EventOrderViewSet(OrderViewSetMixin, viewsets.ModelViewSet):
                    }
                )

+            if 'checkin_text' in self.request.data and serializer.instance.checkin_text != self.request.data.get('checkin_text'):
+                serializer.instance.log_action(
+                    'pretix.event.order.checkin_text',
+                    user=self.request.user,
+                    auth=self.request.auth,
+                    data={
+                        'new_value': self.request.data.get('checkin_text')
+                    }
+                )
+
            if 'valid_if_pending' in self.request.data and serializer.instance.valid_if_pending != self.request.data.get('valid_if_pending'):
                serializer.instance.log_action(
                    'pretix.event.order.valid_if_pending',
@@ -384,7 +384,7 @@ def register_default_webhook_events(sender, **kwargs):
 def notify_webhooks(logentry_ids: list):
    if not isinstance(logentry_ids, list):
        logentry_ids = [logentry_ids]
-    qs = LogEntry.all.select_related('event', 'event__organizer').filter(id__in=logentry_ids)
+    qs = LogEntry.all.select_related('event', 'event__organizer', 'organizer').filter(id__in=logentry_ids)
    _org, _at, webhooks = None, None, None
    for logentry in qs:
        if not logentry.organizer:
@@ -28,4 +28,5 @@ from .items import *  # noqa
 from .json import *  # noqa
 from .mail import *  # noqa
 from .orderlist import *  # noqa
+from .reusablemedia import *  # noqa
 from .waitinglist import *  # noqa
@@ -88,6 +88,7 @@ class ItemDataExporter(ListExporter):
            _("Minimum amount per order"),
            _("Maximum amount per order"),
            _("Requires special attention"),
+            _("Check-in text"),
            _("Original price"),
            _("This product is a gift card"),
            _("Require a valid membership"),
@@ -162,6 +163,7 @@ class ItemDataExporter(ListExporter):
                        i.min_per_order if i.min_per_order is not None else "",
                        i.max_per_order if i.max_per_order is not None else "",
                        _("Yes") if i.checkin_attention else "",
+                        i.checkin_text or "",
                        v.original_price or i.original_price or "",
                        _("Yes") if i.issue_giftcard else "",
                        _("Yes") if i.require_membership or v.require_membership else "",
@@ -206,6 +208,7 @@ class ItemDataExporter(ListExporter):
                    i.min_per_order if i.min_per_order is not None else "",
                    i.max_per_order if i.max_per_order is not None else "",
                    _("Yes") if i.checkin_attention else "",
+                    i.checkin_text or "",
                    i.original_price or "",
                    _("Yes") if i.issue_giftcard else "",
                    _("Yes") if i.require_membership else "",
@@ -96,6 +96,7 @@ class JSONExporter(BaseExporter):
                        'min_per_order': item.min_per_order,
                        'max_per_order': item.max_per_order,
                        'checkin_attention': item.checkin_attention,
+                        'checkin_text': item.checkin_text,
                        'original_price': item.original_price,
                        'issue_giftcard': item.issue_giftcard,
                        'meta_data': item.meta_data,
@@ -110,6 +111,7 @@ class JSONExporter(BaseExporter):
                                'description': str(variation.description),
                                'position': variation.position,
                                'checkin_attention': variation.checkin_attention,
+                                'checkin_text': variation.checkin_text,
                                'require_approval': variation.require_approval,
                                'require_membership': variation.require_membership,
                                'sales_channels': variation.sales_channels,
@@ -164,6 +166,7 @@ class JSONExporter(BaseExporter):
                        'custom_followup_at': order.custom_followup_at,
                        'require_approval': order.require_approval,
                        'checkin_attention': order.checkin_attention,
+                        'checkin_text': order.checkin_text,
                        'sales_channel': order.sales_channel,
                        'expires': order.expires,
                        'datetime': order.datetime,
@@ -275,6 +275,7 @@ class OrderListExporter(MultiSheetListExporter):
        headers.append(_('Invoice numbers'))
        headers.append(_('Sales channel'))
        headers.append(_('Requires special attention'))
+        headers.append(_('Check-in text'))
        headers.append(_('Comment'))
        headers.append(_('Follow-up date'))
        headers.append(_('Positions'))
@@ -332,7 +333,7 @@ class OrderListExporter(MultiSheetListExporter):
                self.event_object_cache[order.event_id].slug,
                order.code,
                order.total,
-                order.get_status_display(),
+                order.get_extended_status_display(),
                order.email,
                str(order.phone) if order.phone else '',
                order.datetime.astimezone(tz).strftime('%Y-%m-%d'),
@@ -384,6 +385,7 @@ class OrderListExporter(MultiSheetListExporter):
            row.append(order.invoice_numbers)
            row.append(order.sales_channel)
            row.append(_('Yes') if order.checkin_attention else _('No'))
+            row.append(order.checkin_text or "")
            row.append(order.comment or "")
            row.append(order.custom_followup_at.strftime("%Y-%m-%d") if order.custom_followup_at else "")
            row.append(order.pcnt)
@@ -463,7 +465,7 @@ class OrderListExporter(MultiSheetListExporter):
            row = [
                self.event_object_cache[order.event_id].slug,
                order.code,
-                _("canceled") if op.canceled else order.get_status_display(),
+                _("canceled") if op.canceled else order.get_extended_status_display(),
                order.email,
                str(order.phone) if order.phone else '',
                order.datetime.astimezone(tz).strftime('%Y-%m-%d'),
@@ -638,7 +640,7 @@ class OrderListExporter(MultiSheetListExporter):
                    self.event_object_cache[order.event_id].slug,
                    order.code,
                    op.positionid,
-                    _("canceled") if op.canceled else order.get_status_display(),
+                    _("canceled") if op.canceled else order.get_extended_status_display(),
                    order.email,
                    str(order.phone) if order.phone else '',
                    order.datetime.astimezone(tz).strftime('%Y-%m-%d'),
@@ -0,0 +1,78 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
+# Public License as published by the Free Software Foundation in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+
+from django.dispatch import receiver
+from django.utils.formats import date_format
+from django.utils.translation import gettext_lazy as _, pgettext, pgettext_lazy
+
+from ..exporter import ListExporter, OrganizerLevelExportMixin
+from ..models import ReusableMedium
+from ..signals import register_multievent_data_exporters
+
+
+class ReusableMediaExporter(OrganizerLevelExportMixin, ListExporter):
+    identifier = 'reusablemedia'
+    verbose_name = _('Reusable media')
+    category = pgettext_lazy('export_category', 'Reusable media')
+    description = _('Download a spread sheet with the data of all reusable medias on your account.')
+
+    def iterate_list(self, form_data):
+        media = ReusableMedium.objects.filter(
+            organizer=self.organizer,
+        ).select_related(
+            'customer', 'linked_orderposition', 'linked_giftcard',
+        ).order_by('created')
+
+        headers = [
+            pgettext('reusable_medium', 'Media type'),
+            pgettext('reusable_medium', 'Identifier'),
+            _('Active'),
+            _('Expiration date'),
+            _('Customer account'),
+            _('Linked ticket'),
+            _('Linked gift card'),
+            _('Notes'),
+        ]
+
+        yield headers
+        yield self.ProgressSetTotal(total=media.count())
+
+        for medium in media.iterator(chunk_size=1000):
+            row = [
+                medium.type,
+                medium.identifier,
+                _('Yes') if medium.active else _('No'),
+                date_format(medium.expires, 'SHORT_DATETIME_FORMAT') if medium.expires else '',
+                medium.customer.identifier if medium.customer_id else '',
+                f"{medium.linked_orderposition.order.code}-{medium.linked_orderposition.positionid}" if medium.linked_orderposition_id else '',
+                medium.linked_giftcard.secret if medium.linked_giftcard_id else '',
+                medium.notes,
+            ]
+            yield row
+
+    def get_filename(self):
+        return f'{self.organizer.slug}_media'
+
+
+@receiver(register_multievent_data_exporters, dispatch_uid="multiexporter_reusablemedia")
+def register_multievent_i_reusable_media_exporter(sender, **kwargs):
+    return ReusableMediaExporter
@@ -125,7 +125,7 @@ class NamePartsWidget(forms.MultiWidget):
            if fname == 'title' and self.titles:
                widgets.append(Select(attrs=a, choices=[('', '')] + [(d, d) for d in self.titles[1]]))
            elif fname == 'salutation':
-                widgets.append(Select(attrs=a, choices=[('', '---')] + PERSON_NAME_SALUTATIONS))
+                widgets.append(Select(attrs=a, choices=[('', '---'), ('empty', '')] + PERSON_NAME_SALUTATIONS))
            else:
                widgets.append(self.widget(attrs=a))
        super().__init__(widgets, attrs)
@@ -136,7 +136,10 @@ class NamePartsWidget(forms.MultiWidget):
        data = []
        for i, field in enumerate(self.scheme['fields']):
            fname, label, size = field
-            data.append(value.get(fname, ""))
+            fval = value.get(fname, "")
+            if fname == "salutation" and fname in value and fval == "":
+                fval = "empty"
+            data.append(fval)
        if '_legacy' in value and not data[-1]:
            data[-1] = value.get('_legacy', '')
        elif not any(d for d in data) and '_scheme' in value:
@@ -190,7 +193,8 @@ class NamePartsFormField(forms.MultiValueField):
        data = {}
        data['_scheme'] = self.scheme_name
        for i, value in enumerate(data_list):
-            data[self.scheme['fields'][i][0]] = value or ''
+            key = self.scheme['fields'][i][0]
+            data[key] = value or ''
        return data

    def __init__(self, *args, **kwargs):
@@ -239,7 +243,7 @@ class NamePartsFormField(forms.MultiValueField):
                d.pop('validators', None)
                field = forms.ChoiceField(
                    **d,
-                    choices=[('', '---')] + PERSON_NAME_SALUTATIONS
+                    choices=[('', '---'), ('empty', '')] + PERSON_NAME_SALUTATIONS
                )
            else:
                field = forms.CharField(**defaults)
@@ -265,6 +269,9 @@ class NamePartsFormField(forms.MultiValueField):
        if sum(len(v) for v in value.values() if v) > 250:
            raise forms.ValidationError(_('Please enter a shorter name.'), code='max_length')

+        if value.get("salutation") == "empty":
+            value["salutation"] = ""
+
        return value


@@ -209,7 +209,10 @@ class SplitDateTimePickerWidget(forms.SplitDateTimeWidget):

        date_attrs['placeholder'] = lazy(date_placeholder, str)
        time_attrs['placeholder'] = lazy(time_placeholder, str)
-
+        date_attrs['aria-label'] = _('Date')
+        time_attrs['aria-label'] = _('Time')
+        if 'aria-label' in attrs:
+            del attrs['aria-label']
        widgets = (
            forms.DateInput(attrs=date_attrs, format=date_format),
            forms.TimeInput(attrs=time_attrs, format=time_format),
@@ -104,7 +104,7 @@ class Command(BaseCommand):
            with language(locale), override(timezone):
                for receiver, response in signal_result:
                    if not response:
-                        return None
+                        continue
                    ex = response(e, o, report_status)
                    if ex.identifier == options['export_provider']:
                        params = json.loads(options.get('parameters') or '{}')
@@ -0,0 +1,17 @@
+# Generated by Django 4.2.4 on 2023-11-13 16:45
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("pretixbase", "0250_eventmetaproperty_filter_public"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="order",
+            name="invoice_dirty",
+            field=models.BooleanField(default=False),
+        ),
+    ]
@@ -0,0 +1,56 @@
+# Generated by Django 4.2.4 on 2023-11-20 12:38
+
+import django.db.models.deletion
+from django.db import migrations, models
+from django.db.models import F, OuterRef, Subquery
+
+
+def backfill_organizer(apps, schema_editor):
+    LogEntry = apps.get_model("pretixbase", "LogEntry")
+    Event = apps.get_model("pretixbase", "Event")
+    ContentType = apps.get_model("contenttypes", "ContentType")
+
+    LogEntry.objects.filter(
+        organizer_link__isnull=True, event__isnull=False
+    ).update(organizer_link_id=Subquery(
+            Event.objects.filter(pk=OuterRef('event_id')).values('organizer_id'),
+        )
+    )
+    for ct in ContentType.objects.all():
+        try:
+            model = apps.get_model(ct.app_label, ct.model)
+        except LookupError:
+            continue
+        if "organizer" in model._meta.fields:
+            LogEntry.objects.filter(
+                organizer_link__isnull=True, event__isnull=True, content_type=ct,
+            ).update(
+                organizer_link_id=Subquery(model.objects.filter(pk=OuterRef('object_id')).values('organizer_id'))
+            )
+        elif "event" in model._meta.fields:
+            LogEntry.objects.filter(
+                organizer_link__isnull=True, event__isnull=True, content_type=ct,
+            ).update(
+                organizer_link_id=Subquery(model.objects.filter(pk=OuterRef('object_id')).values('event__organizer_id'))
+            )
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("pretixbase", "0251_order_invoice_dirty"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="logentry",
+            name="organizer_link",
+            field=models.ForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                to="pretixbase.organizer",
+            ),
+        ),
+        migrations.RunPython(
+            backfill_organizer,
+        )
+    ]
@@ -0,0 +1,32 @@
+# Generated by Django 4.2.4 on 2023-09-06 09:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("pretixbase", "0252_logentry_organizer"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="item",
+            name="checkin_text",
+            field=models.TextField(null=True),
+        ),
+        migrations.AddField(
+            model_name="itemvariation",
+            name="checkin_text",
+            field=models.TextField(null=True),
+        ),
+        migrations.AddField(
+            model_name="order",
+            name="checkin_text",
+            field=models.TextField(null=True),
+        ),
+        migrations.AddField(
+            model_name="question",
+            name="show_during_checkin",
+            field=models.BooleanField(default=False),
+        ),
+    ]
@@ -0,0 +1,28 @@
+# Generated by Django 4.2.4 on 2023-12-06 14:53
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("pretixbase", "0253_checkin_info"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="logentry",
+            name="organizer_link",
+            field=models.ForeignKey(
+                db_column="organizer_link_id",
+                null=True,
+                on_delete=django.db.models.deletion.PROTECT,
+                to="pretixbase.organizer",
+            ),
+        ),
+        migrations.RenameField(
+            model_name="logentry",
+            old_name="organizer_link",
+            new_name="organizer",
+        ),
+    ]
@@ -84,13 +84,21 @@ class LoggingMixin:
        from .devices import Device
        from .event import Event
        from .log import LogEntry
-        from .organizer import TeamAPIToken
+        from .organizer import Organizer, TeamAPIToken

        event = None
-        if isinstance(self, Event):
+        organizer_id = None
+        if isinstance(self, Organizer):
+            organizer_id = self.pk
+        elif isinstance(self, Event):
            event = self
+            organizer_id = self.organizer_id
        elif hasattr(self, 'event'):
            event = self.event
+            organizer_id = self.event.organizer_id
+        elif hasattr(self, 'organizer_id'):
+            organizer_id = self.organizer_id
+
        if user and not user.is_authenticated:
            user = None

@@ -106,7 +114,8 @@ class LoggingMixin:
        elif isinstance(api_token, TeamAPIToken):
            kwargs['api_token'] = api_token

-        logentry = LogEntry(content_object=self, user=user, action_type=action, event=event, **kwargs)
+        logentry = LogEntry(content_object=self, user=user, action_type=action, event=event,
+                            organizer_id=organizer_id, **kwargs)
        if isinstance(data, dict):
            sensitivekeys = ['password', 'secret', 'api_key']

@@ -280,7 +280,8 @@ class CheckinList(LoggedModel):
            '<', '<=', '>', '>=', '==', '!=', 'inList', 'isBefore', 'isAfter', 'or', 'and'
        }
        allowed_operators = top_level_operators | {
-            'buildTime', 'objectList', 'lookup', 'var', 'entries_since', 'entries_before'
+            'buildTime', 'objectList', 'lookup', 'var', 'entries_since', 'entries_before', 'entries_days_since',
+            'entries_days_before',
        }
        allowed_vars = {
            'product', 'variation', 'now', 'now_isoweekday', 'entries_number', 'entries_today', 'entries_days',
@@ -309,7 +310,7 @@ class CheckinList(LoggedModel):
                raise ValidationError(f'Logic variable "{values[0]}" is currently not allowed.')
            return rules

-        if operator in ('entries_since', 'entries_before'):
+        if operator in ('entries_since', 'entries_before', 'entries_days_since', 'entries_days_before'):
            if len(values) != 1 or "buildTime" not in values[0]:
                raise ValidationError(f'Operator "{operator}" takes exactly one "buildTime" argument.')

@@ -352,6 +353,7 @@ class Checkin(models.Model):
    REASON_AMBIGUOUS = 'ambiguous'
    REASON_ERROR = 'error'
    REASON_BLOCKED = 'blocked'
+    REASON_UNAPPROVED = 'unapproved'
    REASON_INVALID_TIME = 'invalid_time'
    REASONS = (
        (REASON_CANCELED, _('Order canceled')),
@@ -365,6 +367,7 @@ class Checkin(models.Model):
        (REASON_AMBIGUOUS, _('Ticket code is ambiguous on list')),
        (REASON_ERROR, _('Server error')),
        (REASON_BLOCKED, _('Ticket blocked')),
+        (REASON_UNAPPROVED, _('Order not approved')),
        (REASON_INVALID_TIME, _('Ticket not valid at this time')),
    )

@@ -344,7 +344,7 @@ class Discount(LoggedModel):

        elif self.subevent_mode == self.SUBEVENT_MODE_SAME:
            def key(idx):
-                return positions[idx][1]  # subevent_id
+                return positions[idx][1] or 0  # subevent_id

            # Build groups of candidates with the same subevent, then apply our regular algorithm
            # to each group
@@ -424,5 +424,10 @@ class Discount(LoggedModel):
                                break

            for g in candidate_groups:
-                self._apply_min_count(positions, g, g, result)
+                self._apply_min_count(
+                    positions,
+                    [idx for idx in g if idx in condition_candidates],
+                    [idx for idx in g if idx in benefit_candidates],
+                    result
+                )
        return result
@@ -775,7 +775,7 @@ class Event(EventMixin, LoggedModel):
            time(hour=23, minute=59, second=59)
        ), tz)

-    def copy_data_from(self, other):
+    def copy_data_from(self, other, skip_meta_data=False):
        from pretix.presale.style import regenerate_css

        from ..signals import event_copy_data
@@ -798,6 +798,12 @@ class Event(EventMixin, LoggedModel):
        self.save()
        self.log_action('pretix.object.cloned', data={'source': other.slug, 'source_id': other.pk})

+        if not skip_meta_data:
+            for emv in EventMetaValue.objects.filter(event=other):
+                emv.pk = None
+                emv.event = self
+                emv.save(force_insert=True)
+
        for fl in EventFooterLink.objects.filter(event=other):
            fl.pk = None
            fl.event = self
@@ -1058,7 +1064,7 @@ class Event(EventMixin, LoggedModel):
                    providers[pp.identifier] = pp

            self._cached_payment_providers = OrderedDict(sorted(
-                providers.items(), key=lambda v: (-v[1].priority, str(v[1].verbose_name))
+                providers.items(), key=lambda v: (-v[1].priority, str(v[1].verbose_name).title())
            ))
        return self._cached_payment_providers

@@ -336,6 +336,8 @@ class Item(LoggedModel):
    :type min_per_order: int
    :param checkin_attention: Requires special attention at check-in
    :type checkin_attention: bool
+    :param checkin_text: Additional text to show at check-in
+    :type checkin_text: bool
    :param original_price: The item's "original" price. Will not be used for any calculations, will just be shown.
    :type original_price: decimal.Decimal
    :param require_approval: If set to ``True``, orders containing this product can only be processed and paid after approved by an administrator
@@ -566,6 +568,11 @@ class Item(LoggedModel):
                    'attention. You can use this for example for student tickets to indicate to the person at '
                    'check-in that the student ID card still needs to be checked.')
    )
+    checkin_text = models.TextField(
+        verbose_name=_('Check-in text'),
+        null=True, blank=True,
+        help_text=_('This text will be shown by the check-in app if a ticket of this type is scanned.')
+    )
    original_price = models.DecimalField(
        verbose_name=_('Original price'),
        blank=True, null=True,
@@ -624,7 +631,7 @@ class Item(LoggedModel):
        null=True, blank=True, max_length=16,
        verbose_name=_('Validity'),
        help_text=_(
-            'When setting up a regular event, or an event series with time slots, you typically to NOT need to change '
+            'When setting up a regular event, or an event series with time slots, you typically do NOT need to change '
            'this value. The default setting means that the validity time of tickets will not be decided by the '
            'product, but by the event and check-in configuration. Only use the other options if you need them to '
            'realize e.g. a booking of a year-long ticket with a dynamic start date. Note that the validity will be '
@@ -1096,6 +1103,11 @@ class ItemVariation(models.Model):
                    'attention. You can use this for example for student tickets to indicate to the person at '
                    'check-in that the student ID card still needs to be checked.')
    )
+    checkin_text = models.TextField(
+        verbose_name=_('Check-in text'),
+        null=True, blank=True,
+        help_text=_('This text will be shown by the check-in app if a ticket of this type is scanned.')
+    )

    objects = ScopedManager(organizer='item__event__organizer')

@@ -1450,6 +1462,8 @@ class Question(LoggedModel):
    :param items: A set of ``Items`` objects that this question should be applied to
    :param ask_during_checkin: Whether to ask this question during check-in instead of during check-out.
    :type ask_during_checkin: bool
+    :param show_during_checkin: Whether to show the answer to this question during check-in.
+    :type show_during_checkin: bool
    :param hidden: Whether to only show the question in the backend
    :type hidden: bool
    :param identifier: An arbitrary, internal identifier
@@ -1487,6 +1501,7 @@ class Question(LoggedModel):
    )
    UNLOCALIZED_TYPES = [TYPE_DATE, TYPE_TIME, TYPE_DATETIME]
    ASK_DURING_CHECKIN_UNSUPPORTED = []
+    SHOW_DURING_CHECKIN_UNSUPPORTED = [TYPE_FILE]

    event = models.ForeignKey(
        Event,
@@ -1538,6 +1553,11 @@ class Question(LoggedModel):
        help_text=_('Not supported by all check-in apps for all question types.'),
        default=False
    )
+    show_during_checkin = models.BooleanField(
+        verbose_name=_('Show answer during check-in'),
+        help_text=_('Not supported by all check-in apps for all question types.'),
+        default=False
+    )
    hidden = models.BooleanField(
        verbose_name=_('Hidden question'),
        help_text=_('This question will only show up in the backend.'),
@@ -78,6 +78,7 @@ class LogEntry(models.Model):
    device = models.ForeignKey('Device', null=True, blank=True, on_delete=models.PROTECT)
    oauth_application = models.ForeignKey('pretixapi.OAuthApplication', null=True, blank=True, on_delete=models.PROTECT)
    event = models.ForeignKey('Event', null=True, blank=True, on_delete=models.SET_NULL)
+    organizer = models.ForeignKey('Organizer', null=True, blank=True, on_delete=models.PROTECT, db_column='organizer_link_id')
    action_type = models.CharField(max_length=255)
    data = models.TextField(default='{}')
    visible = models.BooleanField(default=True)
@@ -122,20 +123,6 @@ class LogEntry(models.Model):
            typepath = typepath.rsplit('.', 1)[0]
        return no_type

-    @cached_property
-    def organizer(self):
-        from .organizer import Organizer
-
-        if self.event:
-            return self.event.organizer
-        elif hasattr(self.content_object, 'event'):
-            return self.content_object.event.organizer
-        elif hasattr(self.content_object, 'organizer'):
-            return self.content_object.organizer
-        elif isinstance(self.content_object, Organizer):
-            return self.content_object
-        return None
-
    @cached_property
    def display_object(self):
        from . import (
@@ -244,6 +244,11 @@ class Order(LockModel, LoggedModel):
                    'special attention. This will not show any details or custom message, so you need to brief your '
                    'check-in staff how to handle these cases.')
    )
+    checkin_text = models.TextField(
+        verbose_name=_('Check-in text'),
+        null=True, blank=True,
+        help_text=_('This text will be shown by the check-in app if a ticket of this order is scanned.')
+    )
    expiry_reminder_sent = models.BooleanField(
        default=False
    )
@@ -266,6 +271,10 @@ class Order(LockModel, LoggedModel):
        default=False,
        verbose_name=_('E-mail address verified')
    )
+    invoice_dirty = models.BooleanField(
+        # Invoice needs to be re-issued when the order is paid again
+        default=False,
+    )

    objects = ScopedManager(organizer='event__organizer')

@@ -325,6 +334,18 @@ class Order(LockModel, LoggedModel):
    def email_confirm_hash(self):
        return hashlib.sha256(settings.SECRET_KEY.encode() + self.secret.encode()).hexdigest()[:9]

+    def get_extended_status_display(self):
+        # Changes in this method should to be replicated in pretixcontrol/orders/fragment_order_status.html
+        # and pretixpresale/event/fragment_order_status.html
+        if self.status == Order.STATUS_PENDING:
+            if self.require_approval:
+                return _("approval pending")
+            elif self.valid_if_pending:
+                return pgettext_lazy("order state", "pending (confirmed)")
+        elif self.status == Order.STATUS_PAID and self.count_positions == 0:
+            return _("canceled (paid fee)")
+        return self.get_status_display()
+
    @property
    def fees(self):
        """
@@ -1823,7 +1844,7 @@ class OrderPayment(models.Model):
    def _mark_order_paid(self, count_waitinglist=True, send_mail=True, force=False, user=None, auth=None, mail_text='',
                         ignore_date=False, lock=True, payment_refund_sum=0, allow_generate_invoice=True):
        from pretix.base.services.invoices import (
-            generate_invoice, invoice_qualified,
+            generate_cancellation, generate_invoice, invoice_qualified,
        )
        from pretix.base.services.locking import LOCK_TRUST_WINDOW

@@ -1841,9 +1862,14 @@ class OrderPayment(models.Model):
            cancellations = self.order.invoices.filter(is_cancellation=True).count()
            gen_invoice = (
                (invoices == 0 and self.order.event.settings.get('invoice_generate') in ('True', 'paid')) or
-                0 < invoices <= cancellations
+                0 < invoices <= cancellations or
+                self.order.invoice_dirty
            )
            if gen_invoice:
+                if invoices:
+                    last_i = self.order.invoices.filter(is_cancellation=False).last()
+                    if not last_i.canceled:
+                        generate_cancellation(last_i)
                invoice = generate_invoice(
                    self.order,
                    trigger_pdf=not send_mail or not self.order.event.settings.invoice_email_attachment
@@ -2117,6 +2143,12 @@ class OrderRefund(models.Model):
            self.local_id = (self.order.refunds.aggregate(m=Max('local_id'))['m'] or 0) + 1
            if 'update_fields' in kwargs:
                kwargs['update_fields'] = {'local_id'}.union(kwargs['update_fields'])
+
+        if self.state == OrderRefund.REFUND_STATE_DONE and not self.execution_date:
+            self.execution_date = now()
+            if 'update_fields' in kwargs:
+                kwargs['update_fields'] = {'execution_date'}.union(kwargs['update_fields'])
+
        super().save(*args, **kwargs)


@@ -2404,6 +2436,17 @@ class OrderPosition(AbstractPosition):
            return True
        return False

+    @cached_property
+    def checkin_texts(self):
+        texts = []
+        if self.order.checkin_text:
+            texts.append(self.order.checkin_text)
+        if self.variation_id and self.variation.checkin_text:
+            texts.append(self.variation.checkin_text)
+        if self.item.checkin_text:
+            texts.append(self.item.checkin_text)
+        return texts
+
    @property
    def checkins(self):
        """
@@ -41,6 +41,7 @@ from typing import List, Optional

 from celery.exceptions import MaxRetriesExceededError
 from django import forms
+from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.db import DatabaseError, transaction
 from django.db.models import Count, Exists, IntegerField, OuterRef, Q, Value
@@ -378,8 +379,9 @@ class CartManager:
            cartsize += sum([op.count for op in self._operations if isinstance(op, self.AddOperation) and not op.addon_to])
            cartsize -= len([1 for op in self._operations if isinstance(op, self.RemoveOperation) if
                             not op.position.addon_to_id])
-            if cartsize > int(self.event.settings.max_items_per_order):
-                raise CartError(error_messages['max_items'] % self.event.settings.max_items_per_order)
+            limit = min(int(self.event.settings.max_items_per_order), settings.PRETIX_MAX_ORDER_SIZE)
+            if cartsize > limit:
+                raise CartError(error_messages['max_items'] % limit)

    def _check_item_constraints(self, op, current_ops=[]):
        if isinstance(op, (self.AddOperation, self.ExtendOperation)):
@@ -31,6 +31,7 @@
 # Unless required by applicable law or agreed to in writing, software distributed under the Apache License 2.0 is
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under the License.
+import logging
 import os
 from datetime import datetime, timedelta, timezone
 from functools import partial, reduce
@@ -65,6 +66,8 @@ from pretix.helpers.jsonlogic_query import (
    MinutesSince, tolerance,
 )

+logger = logging.getLogger(__name__)
+

 def _build_time(t=None, value=None, ev=None, now_dt=None):
    now_dt = now_dt or now()
@@ -199,7 +202,7 @@ def _logic_explain(rules, ev, rule_data, now_dt=None):
                    'var': values[0]["var"],
                    'rhs': values[1:],
                }
-            elif "entries_since" in values[0] or "entries_before" in values[0]:
+            elif any(t in values[0] for t in ("entries_since", "entries_before", "entries_days_since", "entries_days_before")):
                _var_explanations[new_var_name] = {
                    'operator': operator,
                    'var': values[0],
@@ -277,11 +280,13 @@ def _logic_explain(rules, ev, rule_data, now_dt=None):
            var_weights[vname] = (500, 0)
            var_texts[vname] = _('Wrong entrance gate')
        elif var in ('entries_number', 'entries_today', 'entries_days', 'minutes_since_last_entry', 'minutes_since_first_entry', 'now_isoweekday') \
-                or (isinstance(var, dict) and ("entries_since" in var or "entries_before" in var)):
+                or (isinstance(var, dict) and any(t in var for t in ("entries_since", "entries_before", "entries_days_since", "entries_days_before"))):
            w = {
                'minutes_since_first_entry': 80,
                'minutes_since_last_entry': 90,
                'entries_days': 100,
+                'entries_days_since': 105,
+                'entries_days_before': 105,
                'entries_since': 110,
                'entries_before': 110,
                'entries_number': 120,
@@ -304,10 +309,12 @@ def _logic_explain(rules, ev, rule_data, now_dt=None):
                'entries_today': _('number of entries today'),
                'entries_since': _('number of entries since {datetime}'),
                'entries_before': _('number of entries before {datetime}'),
+                'entries_days_since': _('number of days with an entry since {datetime}'),
+                'entries_days_before': _('number of days with an entry before {datetime}'),
                'now_isoweekday': _('week day'),
            }

-            if isinstance(var, dict) and ("entries_since" in var or "entries_before" in var):
+            if isinstance(var, dict) and any(t in var for t in ("entries_since", "entries_before", "entries_days_since", "entries_days_before")):
                varname = list(var.keys())[0]
                cutoff = _build_time(*var[varname][0]['buildTime'], ev=ev, now_dt=now_dt).astimezone(ev.timezone)
                if abs(now_dt - cutoff) < timedelta(hours=12):
@@ -407,6 +414,8 @@ def _get_logic_environment(ev, rule_data, now_dt):
    logic.add_operation('isAfter', lambda t1, t2, tol=None: is_before(t2, t1, tol))
    logic.add_operation('entries_since', lambda t1: rule_data.entries_since(t1))
    logic.add_operation('entries_before', lambda t1: rule_data.entries_before(t1))
+    logic.add_operation('entries_days_since', lambda t1: rule_data.entries_days_since(t1))
+    logic.add_operation('entries_days_before', lambda t1: rule_data.entries_days_before(t1))
    return logic


@@ -464,6 +473,32 @@ class LazyRuleVars:
            self.__cache['entries_before', cutoff] = self._position.checkins.filter(type=Checkin.TYPE_ENTRY, list=self._clist, datetime__lt=cutoff).count()
        return self.__cache['entries_before', cutoff]

+    def entries_days_since(self, cutoff):
+        tz = self._clist.event.timezone
+        with override(tz):
+            if ('entries_days_since', cutoff) not in self.__cache:
+                self.__cache['entries_days_since', cutoff] = self._position.checkins.filter(
+                    type=Checkin.TYPE_ENTRY,
+                    list=self._clist,
+                    datetime__gte=cutoff
+                ).annotate(
+                    day=TruncDate('datetime', tzinfo=tz)
+                ).values('day').distinct().count()
+            return self.__cache['entries_days_since', cutoff]
+
+    def entries_days_before(self, cutoff):
+        tz = self._clist.event.timezone
+        with override(tz):
+            if ('entries_days_before', cutoff) not in self.__cache:
+                self.__cache['entries_days_before', cutoff] = self._position.checkins.filter(
+                    type=Checkin.TYPE_ENTRY,
+                    list=self._clist,
+                    datetime__lt=cutoff
+                ).annotate(
+                    day=TruncDate('datetime', tzinfo=tz)
+                ).values('day').distinct().count()
+            return self.__cache['entries_days_before', cutoff]
+
    @cached_property
    def entries_days(self):
        tz = self._clist.event.timezone
@@ -530,7 +565,8 @@ class SQLLogic:
            "isBefore": partial(self.comparison_to_q, operator=LowerThan, modifier=partial(tolerance, sign=1)),
            "isAfter": partial(self.comparison_to_q, operator=GreaterThan, modifier=partial(tolerance, sign=-1)),
        }
-        self.expression_ops = {'buildTime', 'objectList', 'lookup', 'var', 'entries_since', 'entries_before'}
+        self.expression_ops = {'buildTime', 'objectList', 'lookup', 'var', 'entries_since', 'entries_before',
+                               'entries_days_since', 'entries_days_before'}

    def operation_to_expression(self, rule):
        if not isinstance(rule, dict):
@@ -608,6 +644,42 @@ class SQLLogic:
                Value(0),
                output_field=IntegerField()
            )
+        elif operator == 'entries_days_since':
+            tz = self.list.event.timezone
+            return Coalesce(
+                Subquery(
+                    Checkin.objects.filter(
+                        position_id=OuterRef('pk'),
+                        type=Checkin.TYPE_ENTRY,
+                        list_id=self.list.pk,
+                        datetime__gte=self.operation_to_expression(values[0]),
+                    ).annotate(
+                        day=TruncDate('datetime', tzinfo=tz)
+                    ).values('position_id').order_by().annotate(
+                        c=Count('day', distinct=True)
+                    ).values('c')
+                ),
+                Value(0),
+                output_field=IntegerField()
+            )
+        elif operator == 'entries_days_before':
+            tz = self.list.event.timezone
+            return Coalesce(
+                Subquery(
+                    Checkin.objects.filter(
+                        position_id=OuterRef('pk'),
+                        type=Checkin.TYPE_ENTRY,
+                        list_id=self.list.pk,
+                        datetime__lt=self.operation_to_expression(values[0]),
+                    ).annotate(
+                        day=TruncDate('datetime', tzinfo=tz)
+                    ).values('position_id').order_by().annotate(
+                        c=Count('day', distinct=True)
+                    ).values('c')
+                ),
+                Value(0),
+                output_field=IntegerField()
+            )
        elif operator == 'var':
            if values[0] == 'now':
                return Value(now().astimezone(timezone.utc))
@@ -874,6 +946,15 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
                'blocked'
            )

+    if op.order.status == Order.STATUS_PENDING and op.order.require_approval:
+        if force:
+            force_used = True
+        else:
+            raise CheckInError(
+                _('This order is not yet approved.'),
+                'unapproved',
+            )
+
    if type != Checkin.TYPE_EXIT and op.valid_from and op.valid_from > dt:
        if force:
            force_used = True
@@ -941,14 +1022,6 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
                    'product'
                )

-        if op.order.status != Order.STATUS_PAID and op.order.require_approval:
-            if force:
-                force_used = True
-            else:
-                raise CheckInError(
-                    _('This order is not yet approved.'),
-                    'unpaid'
-                )
        elif op.order.status != Order.STATUS_PAID and not op.order.valid_if_pending and not (
            ignore_unpaid and clist.include_pending and op.order.status == Order.STATUS_PENDING
        ):
@@ -963,7 +1036,16 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
        if type == Checkin.TYPE_ENTRY and clist.rules:
            rule_data = LazyRuleVars(op, clist, dt, gate=gate)
            logic = _get_logic_environment(op.subevent or clist.event, rule_data, now_dt=dt)
-            if not logic.apply(clist.rules, rule_data):
+            try:
+                logic_result = logic.apply(clist.rules, rule_data)
+            except Exception:
+                logger.exception("Check-in rule evaluation failed")
+                raise CheckInError(
+                    _('Evaluation of custom rules has failed.'),
+                    'rules',
+                )
+
+            if not logic_result:
                if force:
                    force_used = True
                else:
@@ -395,6 +395,10 @@ def generate_invoice(order: Order, trigger_pdf=True):
    if order.status == Order.STATUS_CANCELED:
        generate_cancellation(invoice, trigger_pdf)

+    if order.invoice_dirty:
+        order.invoice_dirty = False
+        order.save(update_fields=['invoice_dirty'])
+
    return invoice


@@ -100,7 +100,8 @@ def lock_objects(objects, *, shared_lock_objects=None, replace_exclusive_with_sh
    if 'postgresql' in settings.DATABASES['default']['ENGINE']:
        shared_keys = set(pg_lock_key(obj) for obj in shared_lock_objects) if shared_lock_objects else set()
        exclusive_keys = set(pg_lock_key(obj) for obj in objects)
-        if replace_exclusive_with_shared_when_exclusive_are_more_than and len(exclusive_keys) > replace_exclusive_with_shared_when_exclusive_are_more_than:
+        if replace_exclusive_with_shared_when_exclusive_are_more_than and shared_keys and \
+                len(exclusive_keys) > replace_exclusive_with_shared_when_exclusive_are_more_than:
            exclusive_keys = shared_keys
        keys = sorted(list(shared_keys | exclusive_keys))
        calls = ", ".join([
@@ -183,6 +183,7 @@ def mail(email: Union[str, Sequence[str]], subject: str, template: Union[str, La
    if auto_email:
        headers['X-Auto-Response-Suppress'] = 'OOF, NRN, AutoReply, RN'
        headers['Auto-Submitted'] = 'auto-generated'
+    headers.setdefault('X-Mailer', 'pretix')

    with language(locale):
        if isinstance(context, dict) and event:
@@ -573,8 +574,11 @@ def mail_send_task(self, *args, to: List[str], subject: str, body: str, html: st
        except smtplib.SMTPRecipientsRefused as e:
            smtp_codes = [a[0] for a in e.recipients.values()]

-            if not any(c >= 500 for c in smtp_codes):
-                # Not a permanent failure (mailbox full, service unavailable), retry later, but with large intervals
+            if not any(c >= 500 for c in smtp_codes) or any(b'Message is too large' in a[1] for a in e.recipients.values()):
+                # This is not a permanent failure (mailbox full, service unavailable), retry later, but with large
+                # intervals. One would think that "Message is too lage" is a permanent failure, but apparently it is not.
+                # We have documented cases of emails to Microsoft returning the error occasionally and then later
+                # allowing the very same email.
                try:
                    self.retry(max_retries=5, countdown=[60, 300, 600, 1200, 1800, 1800][self.request.retries])
                except MaxRetriesExceededError:
@@ -30,6 +30,7 @@ from pretix.base.models import LogEntry, NotificationSetting, User
 from pretix.base.notifications import Notification, get_all_notification_types
 from pretix.base.services.mail import mail_send_task
 from pretix.base.services.tasks import ProfiledTask, TransactionAwareTask
+from pretix.base.signals import notification
 from pretix.celery_app import app
 from pretix.helpers.urls import build_absolute_uri

@@ -90,6 +91,8 @@ def notify(logentry_ids: list):
            if enabled and um not in notify_specific:
                send_notification.apply_async(args=(logentry.id, notification_type.action_type, user.pk, method))

+        notification.send(logentry.event, logentry_id=logentry.id, notification_type=notification_type.action_type)
+

@app.task(base=ProfiledTask, acks_late=True, max_retries=9, default_retry_delay=900)
 def send_notification(logentry_id: int, action_type: str, user_id: int, method: str):
@@ -23,6 +23,7 @@ import csv
 import io
 from decimal import Decimal

+from django.conf import settings as django_settings
 from django.core.exceptions import ValidationError
 from django.db import transaction
 from django.utils.timezone import now
@@ -91,7 +92,15 @@ def import_orders(event: Event, fileid: str, settings: dict, locale: str, user,
    user = User.objects.get(pk=user)
    with language(locale, event.settings.region):
        cols = get_all_columns(event)
-        parsed = parse_csv(cf.file, charset=charset)
+        try:
+            parsed = parse_csv(cf.file, charset=charset)
+        except UnicodeDecodeError as e:
+            raise DataImportError(
+                _(
+                    'Error decoding special characters in your file: {message}').format(
+                    message=str(e)
+                )
+            )
        orders = []
        order = None
        data = []
@@ -116,6 +125,11 @@ def import_orders(event: Event, fileid: str, settings: dict, locale: str, user,
                    )
            data.append(values)

+        if settings['orders'] == 'one' and len(data) > django_settings.PRETIX_MAX_ORDER_SIZE:
+            raise DataImportError(
+                _('Orders cannot have more than %(max)s positions.') % {'max': django_settings.PRETIX_MAX_ORDER_SIZE}
+            )
+
        # Prepare model objects. Yes, this might consume lots of RAM, but allows us to make the actual SQL transaction
        # shorter. We'll see what works better in reality…
        lock_seats = []
@@ -1512,6 +1512,7 @@ class OrderChangeManager:
            "You need to select at least %(min)s items of the product %(product)s.",
            "min"
        ),
+        'max_order_size': gettext_lazy('Orders cannot have more than %(max)s positions.'),
    }
    ItemOperation = namedtuple('ItemOperation', ('position', 'item', 'variation'))
    SubeventOperation = namedtuple('SubeventOperation', ('position', 'subevent'))
@@ -2599,6 +2600,14 @@ class OrderChangeManager:
        self.order.total = total + payment_fee
        self.order.save()

+    def _check_order_size(self):
+        if (len(self.order.positions.all()) + len([op for op in self._operations if isinstance(op, self.AddOperation)])) > settings.PRETIX_MAX_ORDER_SIZE:
+            raise OrderError(
+                self.error_messages['max_order_size'] % {
+                    'max': settings.PRETIX_MAX_ORDER_SIZE,
+                }
+            )
+
    def _payment_fee_diff(self):
        total = self.order.total + self._totaldiff
        if self.open_payment:
@@ -2619,14 +2628,37 @@ class OrderChangeManager:
    def _reissue_invoice(self):
        i = self.order.invoices.filter(is_cancellation=False).last()
        if self.reissue_invoice and self._invoice_dirty:
-            if i and not i.refered.exists():
-                self._invoices.append(generate_cancellation(i))
-            if invoice_qualified(self.order) and \
-                (i or
-                 self.event.settings.invoice_generate == 'True' or (
-                     self.open_payment is not None and self.event.settings.invoice_generate == 'paid' and
-                     self.open_payment.payment_provider.requires_invoice_immediately)):
-                self._invoices.append(generate_invoice(self.order))
+            order_now_qualified = invoice_qualified(self.order)
+            invoice_should_be_generated_now = (
+                self.event.settings.invoice_generate == "True" or (
+                    self.event.settings.invoice_generate == "paid" and
+                    self.open_payment is not None and
+                    self.open_payment.payment_provider.requires_invoice_immediately
+                ) or (
+                    self.event.settings.invoice_generate == "paid" and
+                    self.order.status == Order.STATUS_PAID
+                ) or (
+                    # Backwards-compatible behaviour
+                    self.event.settings.invoice_generate not in ("True", "paid") and
+                    i and
+                    not i.canceled
+                )
+            )
+            invoice_should_be_generated_later = not invoice_should_be_generated_now and (
+                self.event.settings.invoice_generate in ("True", "paid")
+            )
+
+            if order_now_qualified:
+                if invoice_should_be_generated_now:
+                    if i and not i.canceled:
+                        self._invoices.append(generate_cancellation(i))
+                    self._invoices.append(generate_invoice(self.order))
+                elif invoice_should_be_generated_later:
+                    self.order.invoice_dirty = True
+                    self.order.save(update_fields=["invoice_dirty"])
+            else:
+                if i and not i.canceled:
+                    self._invoices.append(generate_cancellation(i))

    def _check_complete_cancel(self):
        current = self.order.positions.count()
@@ -2716,6 +2748,7 @@ class OrderChangeManager:

        # finally, incorporate difference in payment fees
        self._payment_fee_diff()
+        self._check_order_size()

        with transaction.atomic():
            locked_instance = Order.objects.select_for_update(of=OF_SELF).get(pk=self.order.pk)
@@ -112,7 +112,7 @@ def dictsum(*dicts) -> dict:

 def order_overview(
        event: Event, subevent: SubEvent=None, date_filter='', date_from=None, date_until=None, fees=False,
-        admission_only=False, base_qs=None, base_fees_qs=None,
+        admission_only=False, base_qs=None, base_fees_qs=None, subevent_date_from=None, subevent_date_until=None
 ) -> Tuple[List[Tuple[ItemCategory, List[Item]]], Dict[str, Tuple[Decimal, Decimal]]]:
    items = event.items.all().select_related(
        'category',  # for re-grouping
@@ -125,6 +125,11 @@ def order_overview(
        qs = qs.filter(subevent__in=subevent)
    elif subevent:
        qs = qs.filter(subevent=subevent)
+    if subevent_date_from:
+        qs = qs.filter(subevent__date_from__gte=subevent_date_from)
+    if subevent_date_until:
+        qs = qs.filter(subevent__date_from__lt=subevent_date_until)
+
    if admission_only:
        qs = qs.filter(item__admission=True)
        items = items.filter(admission=True)
@@ -232,7 +237,7 @@ def order_overview(
    payment_cat_obj.name = _('Fees')
    payment_items = []

-    if subevent is None and fees:
+    if subevent is None and not subevent_date_from and not subevent_date_until and fees:
        qs = OrderFee.all if base_fees_qs is None else base_fees_qs
        qs = qs.filter(
            order__event=event
@@ -306,9 +306,11 @@ DEFAULTS = {
        'serializer_class': serializers.IntegerField,
        'serializer_kwargs': dict(
            min_value=1,
+            max_value=settings.PRETIX_MAX_ORDER_SIZE,
        ),
        'form_kwargs': dict(
            min_value=1,
+            max_value=settings.PRETIX_MAX_ORDER_SIZE,
            required=True,
            label=_("Maximum number of items per order"),
            help_text=_("Add-on products will not be counted.")
@@ -1936,6 +1938,32 @@ DEFAULTS = {
            label=_("Do not allow cancellations after"),
        )
    },
+    'cancel_terms_paid': {
+        'default': None,
+        'type': LazyI18nString,
+        'serializer_class': I18nField,
+        'form_class': I18nFormField,
+        'form_kwargs': dict(
+            label=_("Terms of cancellation"),
+            widget=I18nTextarea,
+            widget_kwargs={'attrs': {'rows': '2'}},
+            help_text=_("This text will be shown when cancellation is allowed for a paid order. Leave empty if you "
+                        "want pretix to automatically generate the terms of cancellation based on your settings.")
+        )
+    },
+    'cancel_terms_unpaid': {
+        'default': None,
+        'type': LazyI18nString,
+        'serializer_class': I18nField,
+        'form_class': I18nFormField,
+        'form_kwargs': dict(
+            label=_("Terms of cancellation"),
+            widget=I18nTextarea,
+            widget_kwargs={'attrs': {'rows': '2'}},
+            help_text=_("This text will be shown when cancellation is allowed for an unpaid or free order. Leave empty "
+                        "if you want pretix to automatically generate the terms of cancellation based on your settings.")
+        )
+    },
    'contact_mail': {
        'default': None,
        'type': str,
@@ -2884,6 +2912,25 @@ Your {organizer} team"""))  # noqa: W291
            label=_('Use header image also for events without an individually uploaded logo'),
        )
    },
+    'favicon': {
+        'default': None,
+        'type': File,
+        'form_class': ExtFileField,
+        'form_kwargs': dict(
+            label=_('Favicon'),
+            ext_whitelist=settings.FILE_UPLOAD_EXTENSIONS_FAVICON,
+            max_size=settings.FILE_UPLOAD_MAX_SIZE_FAVICON,
+            help_text=_('If you provide a favicon, we will show it instead of the default pretix icon. '
+                        'We recommend a size of at least 200x200px to accommodate most devices.')
+        ),
+        'serializer_class': UploadedFileField,
+        'serializer_kwargs': dict(
+            allowed_types=[
+                'image/png', 'image/jpeg', 'image/gif', 'image/x-icon', 'image/vnd.microsoft.icon',
+            ],
+            max_size=settings.FILE_UPLOAD_MAX_SIZE_FAVICON,
+        )
+    },
    'og_image': {
        'default': None,
        'type': File,
@@ -153,19 +153,47 @@ class BaseDataShredder:


 def shred_log_fields(logentry, banlist=None, whitelist=None):
+    def _shred(d, banlist, whitelist):
+        shredded = False
+        if whitelist:
+            for k, v in d.items():
+                if k not in whitelist:
+                    if isinstance(d[k], list):
+                        newlist = []
+                        for i in d[k]:
+                            if isinstance(i, dict):
+                                _shred(i, None, [None])
+                            else:
+                                i = '█'
+                            newlist.append(i)
+                        d[k] = newlist
+                    elif isinstance(d[k], dict):
+                        _shred(d[k], None, [None])
+                    elif d[k]:
+                        d[k] = '█'
+                    shredded = True
+        elif banlist:
+            for k in banlist:
+                if k in d:
+                    if isinstance(d[k], list):
+                        newlist = []
+                        for i in d[k]:
+                            if isinstance(i, dict):
+                                _shred(i, None, [None])
+                            else:
+                                i = '█'
+                            newlist.append(i)
+                        d[k] = newlist
+                    elif isinstance(d[k], dict):
+                        _shred(d[k], None, [None])
+                    elif d[k]:
+                        d[k] = '█'
+                    shredded = True
+        return shredded
+
    d = logentry.parsed_data
    initial_data = copy.copy(d)
-    shredded = False
-    if whitelist:
-        for k, v in d.items():
-            if k not in whitelist:
-                d[k] = '█'
-                shredded = True
-    elif banlist:
-        for f in banlist:
-            if f in d:
-                d[f] = '█'
-                shredded = True
+    shredded = _shred(d, banlist, whitelist)
    if d != initial_data:
        logentry.data = json.dumps(d)
        logentry.shredded = logentry.shredded or shredded
@@ -279,6 +279,15 @@ however for this signal, the ``sender`` **may also be None** to allow creating t
 notification settings!
 """

+notification = EventPluginSignal()
+"""
+Arguments: ``logentry_id``, ``notification_type``
+
+This signal is sent out when a notification is sent.
+
+As with all event-plugin signals, the ``sender`` keyword argument will contain the event.
+"""
+
 register_sales_channels = django.dispatch.Signal()
 """
 This signal is sent out to get all known sales channels types. Receivers should return an
@@ -65,6 +65,8 @@ ALLOWED_TAGS_SNIPPET = [
    'i',
    'strong',
    'span',
+    'strike',
+    's',
    # Update doc/user/markdown.rst if you change this!
 ]
 ALLOWED_TAGS = ALLOWED_TAGS_SNIPPET + [
@@ -34,7 +34,7 @@ from django.core.exceptions import PermissionDenied, ValidationError
 from django.core.files.uploadedfile import UploadedFile
 from django.db import transaction
 from django.http import HttpResponse, JsonResponse, QueryDict
-from django.shortcuts import redirect, render
+from django.shortcuts import render
 from django.test import RequestFactory
 from django.utils import timezone, translation
 from django.utils.datastructures import MultiValueDict
@@ -47,6 +47,7 @@ from redis import ResponseError
 from pretix.base.models import CachedFile, User
 from pretix.base.services.tasks import ProfiledEventTask
 from pretix.celery_app import app
+from pretix.helpers.http import redirect_to_url

 logger = logging.getLogger('pretix.base.tasks')

@@ -152,7 +153,7 @@ class AsyncMixin:
                'redirect': self.get_success_url(value),
                'message': str(self.get_success_message(value))
            })
-        return redirect(self.get_success_url(value))
+        return redirect_to_url(self.get_success_url(value))

    def error(self, exception):
        if isinstance(exception, PermissionDenied):
@@ -165,7 +166,7 @@ class AsyncMixin:
                'redirect': self.get_error_url(),
                'message': str(self.get_error_message(exception))
            })
-        return redirect(self.get_error_url())
+        return redirect_to_url(self.get_error_url())

    def get_error_message(self, exception):
        if isinstance(exception, dict) and exception['exc_type'] in self.known_errortypes:
@@ -203,7 +204,7 @@ class AsyncAction(AsyncMixin):
                    return self.success(res.info)
                else:
                    return self.error(res.info)
-            return redirect(self.get_check_url(res.id, False))
+            return redirect_to_url(self.get_check_url(res.id, False))

    def get(self, request, *args, **kwargs):
        if 'async_id' in request.GET and settings.HAS_CELERY:
@@ -375,7 +376,7 @@ class AsyncFormView(AsyncMixin, FormView):
                    return self.success(res.info)
                else:
                    return self.error(res.info)
-            return redirect(self.get_check_url(res.id, False))
+            return redirect_to_url(self.get_check_url(res.id, False))


 class AsyncPostView(AsyncMixin, View):
@@ -478,4 +479,4 @@ class AsyncPostView(AsyncMixin, View):
                    return self.success(res.info)
                else:
                    return self.error(res.info)
-            return redirect(self.get_check_url(res.id, False))
+            return redirect_to_url(self.get_check_url(res.id, False))
@@ -730,6 +730,8 @@ class CancelSettingsForm(SettingsForm):
        'cancel_allow_user_paid_refund_as_giftcard',
        'cancel_allow_user_paid_require_approval',
        'cancel_allow_user_paid_require_approval_fee_unknown',
+        'cancel_terms_paid',
+        'cancel_terms_unpaid',
        'change_allow_user_variation',
        'change_allow_user_price',
        'change_allow_user_until',
@@ -57,7 +57,7 @@ from pretix.base.forms.widgets import (
 from pretix.base.models import (
    Checkin, CheckinList, Device, Event, EventMetaProperty, EventMetaValue,
    Gate, Invoice, InvoiceAddress, Item, Order, OrderPayment, OrderPosition,
-    OrderRefund, Organizer, Question, QuestionAnswer, SubEvent,
+    OrderRefund, Organizer, Question, QuestionAnswer, Quota, SubEvent,
    SubEventMetaValue, Team, TeamAPIToken, TeamInvite, Voucher,
 )
 from pretix.base.signals import register_payment_providers
@@ -230,6 +230,7 @@ class OrderFilterForm(FilterForm):
                ('partially_paid', _('Partially paid')),
                ('underpaid', _('Underpaid (but confirmed)')),
                ('pendingpaid', _('Pending (but fully paid)')),
+                ('pendingnopayment', _('Pending (but no current payment)')),
            )),
            (_('Approval process'), (
                ('na', _('Approved, payment pending')),
@@ -327,6 +328,18 @@ class OrderFilterForm(FilterForm):
                    Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0)
                    & Q(require_approval=False)
                )
+            elif s == 'pendingnopayment':
+                qs = qs.exclude(
+                    Exists(
+                        OrderPayment.objects.filter(
+                            order=OuterRef('pk'),
+                            state__in=(OrderPayment.PAYMENT_STATE_CREATED, OrderPayment.PAYMENT_STATE_PENDING)
+                        )
+                    )
+                ).filter(
+                    status=Order.STATUS_PENDING,
+                    require_approval=False,
+                )
            elif s == 'partially_paid':
                qs = Order.annotate_overpayments(qs, refunds=False, results=False, sums=True)
                qs = qs.filter(
@@ -578,11 +591,10 @@ class EventOrderExpertFilterForm(EventOrderFilterForm):
        widget=FilterNullBooleanSelect,
        label=_('At least one ticket with check-in'),
    )
-    checkin_attention = forms.NullBooleanField(
+    quota = SafeModelChoiceField(
+        queryset=Quota.objects.none(),
+        label=_('Affected quota'),
        required=False,
-        widget=FilterNullBooleanSelect,
-        label=_('Requires special attention'),
-        help_text=_('Only matches orders with the attention checkbox set directly for the order, not based on the product.'),
    )

    def __init__(self, *args, **kwargs):
@@ -667,6 +679,17 @@ class EventOrderExpertFilterForm(EventOrderFilterForm):
            label=_('Ticket secret'),
            required=False
        )
+        self.fields['quota'].queryset = self.event.quotas.all()
+        self.fields['quota'].widget = Select2(
+            attrs={
+                'data-model-select2': 'generic',
+                'data-select2-url': reverse('control:event.items.quotas.select2', kwargs={
+                    'event': self.event.slug,
+                    'organizer': self.event.organizer.slug,
+                }),
+            }
+        )
+        self.fields['quota'].widget.choices = self.fields['quota'].choices
        for q in self.event.questions.all():
            self.fields['question_{}'.format(q.pk)] = forms.CharField(
                label=q.question,
@@ -760,6 +783,12 @@ class EventOrderExpertFilterForm(EventOrderFilterForm):
            qs = qs.filter(
                all_positions__secret__icontains=fdata.get('ticket_secret')
            ).distinct()
+        if fdata.get('quota'):
+            quota = fdata['quota']
+            qs = qs.filter(
+                Q(all_positions__item__in=quota.items.all(), all_positions__variation__isnull=True) |
+                Q(all_positions__variation__in=quota.variations.all())
+            ).distinct()
        for q in self.event.questions.all():
            if fdata.get(f'question_{q.pk}'):
                answers = QuestionAnswer.objects.filter(
@@ -133,6 +133,14 @@ class QuestionForm(I18nModelForm):

        return val

+    def clean_show_during_checkin(self):
+        val = self.cleaned_data.get('show_during_checkin')
+
+        if val and self.cleaned_data.get('type') in Question.SHOW_DURING_CHECKIN_UNSUPPORTED:
+            raise ValidationError(_('This type of question cannot be shown during check-in.'))
+
+        return val
+
    def clean_identifier(self):
        val = self.cleaned_data.get('identifier')
        Question._clean_identifier(self.instance.event, val, self.instance)
@@ -155,6 +163,7 @@ class QuestionForm(I18nModelForm):
            'type',
            'required',
            'ask_during_checkin',
+            'show_during_checkin',
            'hidden',
            'identifier',
            'items',
@@ -379,6 +388,7 @@ class ItemCreateForm(I18nModelForm):
                'max_per_order',
                'generate_tickets',
                'checkin_attention',
+                'checkin_text',
                'free_price',
                'original_price',
                'sales_channels',
@@ -604,6 +614,15 @@ class ItemUpdateForm(I18nModelForm):

        self.fields['free_price_suggestion'].widget.attrs['data-display-dependency'] = '#id_free_price'

+        self.fields['validity_dynamic_start_choice'] = forms.TypedChoiceField(
+            label=_("Start of validity"),
+            choices=(
+                ("False", _("Purchase date")),
+                ("True", _("Date chosen by customer")),
+            ),
+            coerce=lambda x: x == 'True',
+        )
+
        qs = self.event.organizer.membership_types.all()
        if qs:
            self.fields['require_membership_types'].queryset = qs
@@ -651,7 +670,7 @@ class ItemUpdateForm(I18nModelForm):
        if d.get('grant_membership_type'):
            if not d['grant_membership_type'].transferable and not d['personalized']:
                self.add_error(
-                    'personalized' if d['admission'] else 'admission',
+                    'personalized' if d.get('admission') else 'admission',
                    _("Your product grants a non-transferable membership and should therefore be a personalized "
                      "admission ticket. Otherwise customers might not be able to use the membership later. If you "
                      "want the membership to be non-personalized, set the membership type to be transferable.")
@@ -703,6 +722,7 @@ class ItemUpdateForm(I18nModelForm):
            'max_per_order',
            'min_per_order',
            'checkin_attention',
+            'checkin_text',
            'generate_tickets',
            'original_price',
            'require_bundling',
@@ -751,6 +771,7 @@ class ItemUpdateForm(I18nModelForm):
            'show_quota_left': ShowQuotaNullBooleanSelect(),
            'max_per_order': forms.widgets.NumberInput(attrs={'min': 0}),
            'min_per_order': forms.widgets.NumberInput(attrs={'min': 0}),
+            'checkin_text': forms.TextInput(),
        }


@@ -869,6 +890,7 @@ class ItemVariationForm(I18nModelForm):
            'require_membership_hidden',
            'require_membership_types',
            'checkin_attention',
+            'checkin_text',
            'available_from',
            'available_until',
            'sales_channels',
@@ -884,6 +906,7 @@ class ItemVariationForm(I18nModelForm):
            'require_membership_types': forms.CheckboxSelectMultiple(attrs={
                'class': 'scrolling-multiple-choice'
            }),
+            'checkin_text': forms.TextInput(),
        }

    def clean(self):
@@ -265,12 +265,13 @@ class ExporterForm(forms.Form):
 class CommentForm(I18nModelForm):
    class Meta:
        model = Order
-        fields = ['comment', 'checkin_attention', 'custom_followup_at']
+        fields = ['comment', 'checkin_attention', 'checkin_text', 'custom_followup_at']
        widgets = {
            'comment': forms.Textarea(attrs={
                'rows': 3,
                'class': 'helper-width-100',
            }),
+            'checkin_text': forms.TextInput(),
            'custom_followup_at': DatePickerWidget(),
        }

@@ -704,6 +705,7 @@ class OrderMailForm(forms.Form):
        )
        self.fields['attach_invoices'].queryset = order.invoices.all()
        self._set_field_placeholders('message', ['event', 'order'])
+        self._set_field_placeholders('subject', ['event', 'order'])


 class OrderPositionMailForm(OrderMailForm):
@@ -719,6 +721,7 @@ class OrderPositionMailForm(OrderMailForm):
            initial=self.order.event.settings.mail_text_order_custom_mail.localize(self.order.locale),
        )
        self._set_field_placeholders('message', ['event', 'order', 'position'])
+        self._set_field_placeholders('subject', ['event', 'order'])


 class OrderRefundForm(forms.Form):
@@ -423,6 +423,7 @@ class OrganizerSettingsForm(SettingsForm):
        'organizer_link_back',
        'organizer_logo_image_large',
        'organizer_logo_image_inherit',
+        'favicon',
        'giftcard_length',
        'giftcard_expiry_years',
        'locales',
@@ -464,14 +465,6 @@ class OrganizerSettingsForm(SettingsForm):
                    'can increase the size with the setting below. We recommend not using small details on the picture '
                    'as it will be resized on smaller screens.')
    )
-    favicon = ExtFileField(
-        label=_('Favicon'),
-        ext_whitelist=settings.FILE_UPLOAD_EXTENSIONS_FAVICON,
-        required=False,
-        max_size=settings.FILE_UPLOAD_MAX_SIZE_FAVICON,
-        help_text=_('If you provide a favicon, we will show it instead of the default pretix icon. '
-                    'We recommend a size of at least 200x200px to accommodate most devices.')
-    )

    def __init__(self, *args, **kwargs):
        is_admin = kwargs.pop('is_admin', False)
@@ -20,7 +20,7 @@
 # <https://www.gnu.org/licenses/>.
 #
 from bootstrap3.text import text_value
-from django.forms import CheckboxInput
+from django.forms import CheckboxInput, CheckboxSelectMultiple, RadioSelect
 from django.forms.utils import flatatt
 from django.utils.html import format_html
 from django.utils.safestring import mark_safe
@@ -30,7 +30,7 @@ from i18nfield.forms import I18nFormField
 from pretix.base.forms.renderers import FieldRenderer, InlineFieldRenderer


-def render_label(content, label_for=None, label_class=None, label_title='', optional=False):
+def render_label(content, label_for=None, label_class=None, label_title='', label_id='', optional=False):
    """
    Render a label with content
    """
@@ -41,6 +41,8 @@ def render_label(content, label_for=None, label_class=None, label_title='', opti
        attrs['class'] = label_class
    if label_title:
        attrs['title'] = label_title
+    if label_id:
+        attrs['id'] = label_id

    if text_value(content) == '&#160;':
        # Empty label, e.g. checkbox
@@ -61,6 +63,7 @@ class ControlFieldRenderer(FieldRenderer):
    def __init__(self, *args, **kwargs):
        kwargs['layout'] = 'horizontal'
        super().__init__(*args, **kwargs)
+        self.is_group_widget = isinstance(self.widget, (CheckboxSelectMultiple, RadioSelect, )) or (self.is_multi_widget and len(self.widget.widgets) > 1)

    def add_label(self, html):
        label = self.get_label()
@@ -73,14 +76,29 @@ class ControlFieldRenderer(FieldRenderer):
        else:
            required = self.field.field.required

+        if self.is_group_widget:
+            label_for = ""
+            label_id = "legend-{}".format(self.field.html_name)
+        else:
+            label_for = self.field.id_for_label
+            label_id = ""
+
        html = render_label(
            label,
-            label_for=self.field.id_for_label,
+            label_for=label_for,
            label_class=self.get_label_class(),
+            label_id=label_id,
            optional=not required and not isinstance(self.widget, CheckboxInput)
        ) + html
        return html

+    def wrap_label_and_field(self, html):
+        if self.is_group_widget:
+            attrs = ' role="group" aria-labelledby="legend-{}"'.format(self.field.html_name)
+        else:
+            attrs = ''
+        return '<div class="{klass}"{attrs}>{html}</div>'.format(klass=self.get_form_group_class(), html=html, attrs=attrs)
+

 class BulkEditMixin:

@@ -463,7 +463,8 @@ class RRuleFormSetForm(RRuleForm):

 RRuleFormSet = formset_factory(
    RRuleFormSetForm,
-    can_order=False, can_delete=True, extra=1
+    min_num=1, validate_min=True,
+    can_order=False, can_delete=True, extra=0
 )


@@ -201,6 +201,8 @@ class VoucherForm(I18nModelForm):
            cnt = len(data['codes']) * data.get('max_usages', 0)
        else:
            cnt = data.get('max_usages', 0)
+            if self.instance and self.instance.pk:
+                cnt -= self.instance.redeemed  # these do not need quota any more

        Voucher.clean_item_properties(
            data, self.instance.event,
@@ -407,6 +407,7 @@ def pretixcontrol_logentry_display(sender: Event, logentry: LogEntry, **kwargs):
        'pretix.event.order.custom_followup_at': _('The order\'s follow-up date has been updated.'),
        'pretix.event.order.checkin_attention': _('The order\'s flag to require attention at check-in has been '
                                                  'toggled.'),
+        'pretix.event.order.checkin_text': _('The order\'s check-in text has been changed.'),
        'pretix.event.order.pretix.event.order.valid_if_pending': _('The order\'s flag to be considered valid even if '
                                                                    'unpaid has been toggled.'),
        'pretix.event.order.payment.changed': _('A new payment {local_id} has been started instead of the previous one.'),
@@ -37,7 +37,7 @@ from urllib.parse import quote, urljoin, urlparse
 from django.conf import settings
 from django.contrib.auth import REDIRECT_FIELD_NAME, logout
 from django.http import Http404
-from django.shortcuts import get_object_or_404, redirect, resolve_url
+from django.shortcuts import get_object_or_404, resolve_url
 from django.template.response import TemplateResponse
 from django.urls import get_script_prefix, resolve, reverse
 from django.utils.encoding import force_str
@@ -46,6 +46,7 @@ from django_scopes import scope

 from pretix.base.models import Event, Organizer
 from pretix.base.models.auth import SuperuserPermissionSet, User
+from pretix.helpers.http import redirect_to_url
 from pretix.helpers.security import (
    SessionInvalid, SessionReauthRequired, assert_session_valid,
 )
@@ -118,7 +119,7 @@ class PermissionMiddleware:

        if hasattr(request, 'organizer'):
            # If the user is on a organizer's subdomain, he should be redirected to pretix
-            return redirect(urljoin(settings.SITE_URL, request.get_full_path()))
+            return redirect_to_url(urljoin(settings.SITE_URL, request.get_full_path()))
        if url_name in self.EXCEPTIONS:
            return self.get_response(request)
        if not request.user.is_authenticated:
@@ -132,14 +133,14 @@ class PermissionMiddleware:
            return self._login_redirect(request)
        except SessionReauthRequired:
            if url_name not in ('user.reauth', 'auth.logout'):
-                return redirect(reverse('control:user.reauth') + '?next=' + quote(request.get_full_path()))
+                return redirect_to_url(reverse('control:user.reauth') + '?next=' + quote(request.get_full_path()))

        if request.user.needs_password_change and url_name not in self.EXCEPTIONS_FORCED_PW_CHANGE:
-            return redirect(reverse('control:user.settings') + '?next=' + quote(request.get_full_path()))
+            return redirect_to_url(reverse('control:user.settings') + '?next=' + quote(request.get_full_path()))

        if not request.user.require_2fa and settings.PRETIX_OBLIGATORY_2FA \
-                and url_name not in self.EXCEPTIONS_2FA:
-            return redirect(reverse('control:user.settings.2fa'))
+                and url_name not in self.EXCEPTIONS_2FA and not request.user.needs_password_change:
+            return redirect_to_url(reverse('control:user.settings.2fa'))

        if 'event' in url.kwargs and 'organizer' in url.kwargs:
            if url.kwargs['organizer'] == '-' and url.kwargs['event'] == '-':
@@ -152,7 +153,7 @@ class PermissionMiddleware:
                k = dict(url.kwargs)
                k['organizer'] = ev.organizer.slug
                k['event'] = ev.slug
-                return redirect(reverse(url.view_name, kwargs=k, args=url.args))
+                return redirect_to_url(reverse(url.view_name, kwargs=k, args=url.args))

            with scope(organizer=None):
                request.event = Event.objects.filter(
@@ -178,7 +179,7 @@ class PermissionMiddleware:
                                    "have no permission to administrate it."))
                k = dict(url.kwargs)
                k['organizer'] = org.slug
-                return redirect(reverse(url.view_name, kwargs=k, args=url.args))
+                return redirect_to_url(reverse(url.view_name, kwargs=k, args=url.args))

            request.organizer = Organizer.objects.filter(
                slug=url.kwargs['organizer'],
@@ -35,10 +35,11 @@
 from urllib.parse import quote

 from django.core.exceptions import PermissionDenied
-from django.shortcuts import redirect
 from django.urls import reverse
 from django.utils.translation import gettext as _

+from pretix.helpers.http import redirect_to_url
+

 def current_url(request):
    if request.GET:
@@ -135,7 +136,7 @@ def administrator_permission_required():
                raise PermissionDenied()
            if not request.user.has_active_staff_session(request.session.session_key):
                if request.user.is_staff:
-                    return redirect(reverse('control:user.sudo') + '?next=' + quote(current_url(request)))
+                    return redirect_to_url(reverse('control:user.sudo') + '?next=' + quote(current_url(request)))
                raise PermissionDenied(_('You do not have permission to view this content.'))
            return function(request, *args, **kw)
        return wrapper
@@ -85,11 +85,31 @@
                    {% endif %}
                {% endif %}
                {% if result.position %}
-                    {% if result.position.require_attention %}
+                    {% if result.require_attention %}
                        <p>
-                            <span class="fa fa-info-circle fa-fw"></span> {% trans "Special attention required" %}
+                            <strong>
+                                <span class="fa fa-info-circle text-info fa-fw"></span>
+                                {% trans "Special attention required" %}
+                            </strong>
                        </p>
                    {% endif %}
+                    {% for t in result.checkin_texts %}
+                        <p>
+                            <span class="fa fa-info-circle text-muted fa-fw"></span>
+                            {{ t }}
+                        </p>
+                    {% endfor %}
+                    {% if result.position_object %}
+                        {% for a in result.position_object.answers.all %}
+                            {% if a.question.show_during_checkin %}
+                                <p>
+                                    <span class="fa fa-question-circle text-muted fa-fw"></span>
+                                    <strong>{{ a.question.question }}</strong>
+                                    {{ a }}
+                                </p>
+                            {% endif %}
+                        {% endfor %}
+                    {% endif %}
                    <p>
                        <span class="fa fa-ticket fa-fw"></span>
                        <a href="{% url "control:event.order" event=request.event.slug organizer=request.event.organizer.slug code=result.position.order %}">
@@ -14,6 +14,7 @@
                {% bootstrap_field form.cancel_allow_user_unpaid_keep layout="control" %}
                {% bootstrap_field form.cancel_allow_user_unpaid_keep_percentage layout="control" %}
                {% bootstrap_field form.cancel_allow_user_unpaid_keep_fees layout="control" %}
+                {% bootstrap_field form.cancel_terms_unpaid layout="control" %}
            </fieldset>
            <fieldset>
                <legend>{% trans "Paid orders" %}</legend>
@@ -32,6 +33,7 @@
                    {% bootstrap_field form.cancel_allow_user_paid_adjust_fees_step layout="control" %}
                </div>
                {% bootstrap_field form.cancel_allow_user_paid_refund_as_giftcard layout="control" %}
+                {% bootstrap_field form.cancel_terms_paid layout="control" %}
                {% if not gets_notification %}
                    <div class="alert alert-warning">
                        {% blocktrans trimmed %}
@@ -0,0 +1,393 @@
+{% extends "pretixcontrol/event/base.html" %}
+{% load i18n %}
+{% load eventurl %}
+{% load bootstrap3 %}
+{% load static %}
+{% load escapejson %}
+{% load eventsignal %}
+{% block title %}{{ request.event.name }}{% endblock %}
+{% block content %}
+    <div class="row">
+    <div id="header-area" class="col-lg-8">
+        <h1>
+            {{ request.event.name }}
+            <small>
+                {% if request.event.has_subevents %}
+                    {% trans "Event series" %}
+                {% else %}
+                    {{ request.event.get_date_range_display }}
+                {% endif %}
+            </small>
+        </h1>
+
+        <div class="helper-space-below">
+            {% trans "Shop URL:" %}
+            <span id="shop_url" class="text-muted">{% abseventurl request.event "presale:event.index" %}</span>
+            <button type="button" class="btn btn-default btn-xs btn-clipboard js-only" data-clipboard-target="#shop_url">
+                <i class="fa fa-clipboard" aria-hidden="true"></i>
+                <span class="sr-only">{% trans "Copy to clipboard" %}</span>
+            </button>
+            <div class="btn-group helper-display-inline-block">
+                <button type="button" class="btn btn-default btn-xs dropdown-toggle" data-toggle="dropdown" title="{% trans "Create QR code" %}" aria-haspopup="true" aria-expanded="false">
+                    <i class="fa fa-qrcode" aria-hidden="true"></i>
+                </button>
+                {% include "pretixcontrol/event/fragment_qr_dropdown.html" with url=0 %}
+            </div>
+            <br>
+            <span id="shop_state" class="shop_state">
+                {{ shop_state.content|safe }}
+                <a href="{{ shop_state.url }}">
+                    <button type="button" class="btn btn-default btn-xs btn-wrench js-only" href="{{ shop_state.url }}">
+                        <i class="fa fa-wrench" aria-hidden="true"></i>
+                        <span class="sr-only">{% trans "Change shop state" %}</span>
+                    </button>
+                </a>
+            </span>
+            <div class="clearfix"></div>
+        </div>
+    </div>
+    <!-- Comments ----------------------------------------------------------------------------------------------------->
+    <div class="event-comment col-lg-4">
+        {% trans "Internal comment" %}
+        <form class="form" method="post"
+              action="{% url "control:event.comment" event=request.event.slug organizer=request.event.organizer.slug %}">
+            {% csrf_token %}
+            <div class="row">
+                {% bootstrap_field comment_form.comment layout="horizontal" show_help=True show_label=False horizontal_field_class="col-md-12" %}
+            </div>
+            {% if not comment_form.readonly %}
+                <p class="text-right flip">
+                    <button class="btn btn-default">
+                        {% trans "Update comment" %}
+                    </button>
+                </p>
+            {% endif %}
+        </form>
+    </div>
+    </div>
+    <!-- Comments ----------------------------------------------------------------------------------------------------->
+
+    <!-- Warnings ----------------------------------------------------------------------------------------------------->
+    <div class="row-form-errors">
+    {% if has_overpaid_orders %}
+        <div class="alert alert-warning">
+            {% blocktrans trimmed %}
+                This event contains <strong>overpaid orders</strong>, for example due to duplicate payment attempts.
+                You should review the cases and consider refunding the overpaid amount to the user.
+            {% endblocktrans %}
+            <a href="{% url "control:event.orders" event=request.event.slug organizer=request.event.organizer.slug %}?status=overpaid"
+                    class="btn btn-primary">{% trans "Show overpaid orders" %}</a>
+        </div>
+    {% endif %}
+    {% if has_pending_refunds %}
+        <div class="alert alert-warning">
+            {% blocktrans trimmed %}
+                This event contains <strong>pending refunds</strong> that you should take care of.
+            {% endblocktrans %}
+            <a href="{% url "control:event.orders.refunds" event=request.event.slug organizer=request.event.organizer.slug %}"
+                    class="btn btn-primary">{% trans "Show pending refunds" %}</a>
+        </div>
+    {% endif %}
+    {% if has_cancellation_requests %}
+        <div class="alert alert-warning">
+            {% blocktrans trimmed %}
+                This event contains <strong>requested cancellations</strong> that you should take care of.
+            {% endblocktrans %}
+            <a href="{% url "control:event.orders" event=request.event.slug organizer=request.event.organizer.slug %}?status=rc"
+                    class="btn btn-primary">{% trans "Show orders requesting cancellation" %}</a>
+        </div>
+    {% endif %}
+    {% if has_pending_approvals %}
+        <div class="alert alert-warning">
+            {% blocktrans trimmed %}
+                This event contains <strong>pending approvals</strong> that you should take care of.
+            {% endblocktrans %}
+            <a href="{% url "control:event.orders" event=request.event.slug organizer=request.event.organizer.slug %}?status=pa"
+                    class="btn btn-primary">{% trans "Show orders pending approval" %}</a>
+        </div>
+    {% endif %}
+    {% if has_pending_orders_with_full_payment %}
+        <div class="alert alert-warning">
+            {% blocktrans trimmed %}
+                This event contains <strong>fully paid orders</strong> that are not marked as paid, probably
+                because no quota was left at the time their payment arrived. You should review the cases and consider
+                either refunding the customer or creating more space.
+            {% endblocktrans %}
+            <a href="{% url "control:event.orders" event=request.event.slug organizer=request.event.organizer.slug %}?status=pendingpaid"
+               class="btn btn-primary">{% trans "Show affected orders" %}</a>
+        </div>
+    {% endif %}
+    </div>
+    <!-- Warnings ----------------------------------------------------------------------------------------------------->
+
+    {% eventsignal request.event "pretix.control.signals.event_dashboard_top" request=request %}
+    <!-- Timeline ----------------------------------------------------------------------------------------------------->
+    {% if request.event.has_subevents %}
+        <form class="form-inline helper-display-inline" action="" method="get">
+            {% include "pretixcontrol/event/fragment_subevent_choice_simple.html" %}
+        </form>
+    {% endif %}
+    {% if not request.event.has_subevents or subevent %}
+        {% include "pretixcontrol/event/fragment_timeline.html" %}
+    {% endif %}
+    <!-- Timeline ----------------------------------------------------------------------------------------------------->
+    <!-- Big numbers ---------------------------------------------------------------------------------------------->
+    <div class="dashboard">
+        <div class="widget-container widget-small event-dashboard">
+            <a href="{{ attendees_paid_ordered.url }}" class="widget">
+                {{ attendees_paid_ordered.content|safe }}
+            </a>
+        </div>
+        <div class="widget-container widget-small event-dashboard">
+            <a href="{{ total_revenue.url }}" class="widget">
+                {{ total_revenue.content|safe }}
+            </a>
+        </div>
+    </div>
+    <!-- Big numbers -------------------------------------------------------------------------------------------------->
+    <!-- Diagram ------------------------------------------------------------------------------------------------------>
+    <div class="panel panel-default">
+        <div class="panel-heading">
+            <h3 class="panel-title">{% trans "Revenue over time" %}</h3>
+        </div>
+        <div class="panel-body">
+            <div id="rev_chart" class="chart"></div>
+            {% if request.GET.subevent %}
+                <div class="alert alert-info">
+                    {% blocktrans trimmed context "subevent" %}
+                        If you select a single date, payment method fees will not be listed here as it might not be clear which
+                        date they belong to.
+                    {% endblocktrans %}
+                </div>
+            {% endif %}
+            <p class="help-block">
+                <small>
+                    {% blocktrans trimmed %}
+                        Only fully paid orders are counted.
+                        Orders paid in multiple payments are shown with the date of their last payment.
+                    {% endblocktrans %}
+                </small>
+            </p>
+        </div>
+    </div>
+    <!-- Diagram ------------------------------------------------------------------------------------------------------>
+    <!-- Check-Ins ---------------------------------------------------------------------------------------------------->
+    <div class="panel panel-default">
+        <div class="panel-heading">
+            <h3 class="panel-title">{% trans "Check-In" %}</h3>
+        </div>
+        <div class="table-responsive">
+            <table class="table table-hover table-quotas">
+                <thead>
+                <tr>
+                    <th>
+                        {% trans "Name" %}
+                    </th>
+                    <th>{% trans "Checked in" %}</th>
+                    {% if request.event.has_subevents %}
+                        <th>
+                            {% trans "Date" context "subevent" %}
+                        </th>
+                    {% endif %}
+                    <th class="iconcol">{% trans "Automated check-in" %}</th>
+                    <th>{% trans "Products" %}</th>
+                    <th class="action-col-2"></th>
+                </tr>
+                </thead>
+                <tbody>
+                {% for cl in checkinlists %}
+                    <tr>
+                        <td>
+                            <strong><a
+                                    href="{% url "control:event.orders.checkinlists.show" organizer=request.event.organizer.slug event=request.event.slug list=cl.id %}">{{ cl.name }}</a></strong>
+                        </td>
+                        <td>
+                            <div class="quotabox availability">
+                                <div class="progress">
+                                    <div class="progress-bar progress-bar-success progress-bar-{{ cl.percent }}">
+                                    </div>
+                                </div>
+                                <div class="numbers">
+                                    {{ cl.checkin_count|default_if_none:"0" }} /
+                                    {{ cl.position_count|default_if_none:"0" }}
+                                </div>
+                            </div>
+                        </td>
+                        {% if request.event.has_subevents %}
+                            {% if cl.subevent %}
+                                <td>
+                                    {{ cl.subevent.name }} – {{ cl.subevent.get_date_range_display }}
+                                    {{ cl.subevent.date_from|date:"TIME_FORMAT" }}
+                                </td>
+                            {% else %}
+                                <td>
+                                    <em>{% trans "All" %}</em>
+                                </td>
+                            {% endif %}
+                        {% endif %}
+                        <td>
+                            {% for channel in cl.auto_checkin_sales_channels %}
+                                <span class="fa fa-{{ channel.icon }} text-muted"
+                                      data-toggle="tooltip" title="{% trans channel.verbose_name %}"></span>
+                            {% endfor %}
+                        </td>
+                        <td>
+                            {% if cl.all_products %}
+                                <em>{% trans "All" %}</em>
+                            {% else %}
+                                <ul>
+                                    {% for item in cl.limit_products.all %}
+                                        <li>
+                                            <a href="{% url "control:event.item" organizer=request.event.organizer.slug event=request.event.slug item=item.id %}">{{ item }}</a>
+                                        </li>
+                                    {% endfor %}
+                                </ul>
+                            {% endif %}
+                        </td>
+                        <td class="text-right flip">
+                            <a href="{% url "control:event.orders.checkinlists.show" organizer=request.event.organizer.slug event=request.event.slug list=cl.id %}"
+                               class="btn btn-default btn-sm"><i class="fa fa-eye"></i></a>
+                            {% if "can_change_event_settings" in request.eventpermset %}
+                                <a href="{% url "control:event.orders.checkinlists.add" organizer=request.event.organizer.slug event=request.event.slug %}?copy_from={{ cl.id }}"
+                                   class="btn btn-sm btn-default" title="{% trans "Clone" %}" data-toggle="tooltip">
+                                    <span class="fa fa-copy"></span>
+                                </a>
+                                <a href="{% url "control:event.orders.checkinlists.simulator" organizer=request.event.organizer.slug event=request.event.slug list=cl.id %}"
+                                   title="{% trans "Check-in simulator" %}" data-toggle="tooltip"
+                                   class="btn btn-default btn-sm"><i class="fa fa-flask"></i></a>
+                                <a href="{% url "control:event.orders.checkinlists.edit" organizer=request.event.organizer.slug event=request.event.slug list=cl.id %}"
+                                   class="btn btn-default btn-sm"><i class="fa fa-wrench"></i></a>
+                                <a href="{% url "control:event.orders.checkinlists.delete" organizer=request.event.organizer.slug event=request.event.slug list=cl.id %}"
+                                   class="btn btn-danger btn-sm"><i class="fa fa-trash"></i></a>
+                            {% endif %}
+                        </td>
+                    </tr>
+                {% endfor %}
+                </tbody>
+            </table>
+        </div>
+    </div>
+    <!-- Check-Ins ---------------------------------------------------------------------------------------------------->
+    <!-- Quotas ------------------------------------------------------------------------------------------------------->
+    <div class="panel panel-default">
+        <div class="panel-heading">
+            <h3 class="panel-title">{% trans "Quotas" %}</h3>
+        </div>
+        <div class="table-responsive table-quotas">
+            <table class="table table-hover table-quotas">
+                <thead>
+                    <tr>
+                        <th>
+                            {% trans "Name" %}
+                        </th>
+                        <th>
+                            {% trans "Begin" %}
+                            <a href="? url_replace request 'filter-ordering' '-date_from' %}"><i class="fa fa-caret-down"></i></a>
+                            <a href="? url_replace request 'filter-ordering' 'date_from' %}"><i class="fa fa-caret-up"></i></a>
+                        </th>
+                        <th>
+                            {% trans "Paid tickets per quota" %}
+                        </th>
+                        <th>
+                            {% trans "Capacity left" %}
+                        </th>
+                    </tr>
+                </thead>
+                <tbody>
+                {% if request.event.has_subevents and not subevent %}
+                    {% for s in subevents %}
+                        <tr>
+                            <td>
+                                <strong><a href="{% url "control:event.subevent" organizer=request.event.organizer.slug event=request.event.slug subevent=s.id %}?returnto={{ request.GET.urlencode|urlencode }}">
+                                    {{ s.name }}</a></strong><br>
+                                <small class="text-muted">
+                                    #{{ s.pk }}
+                                </small>
+                            </td>
+                            <td>
+                                {{ s.get_date_from_display }}<br>
+                                <span class="text-muted">
+                                   {{ s.date_from|date:"l" }}
+                                </span>
+                            </td>
+                            <td>
+                                {% for q in s.first_quotas|slice:":3" %}
+                                    {% include "pretixcontrol/fragment_quota_box_paid.html" with quota=q %}
+                                {% endfor %}
+                                {% if s.first_quotas|length > 3 %}
+                                    <a href="{% url "control:event.items.quotas" organizer=request.event.organizer.slug event=request.event.slug %}?subevent={{ s.id }}"
+                                            class="quotabox-more" data-toggle="tooltip" title="{% trans "More quotas" %}"
+                                            data-placement="top">
+                                        &middot;&middot;&middot;
+                                    </a>
+                                {% endif %}
+                            </td>
+                            <td>
+                                {% for q in s.first_quotas %}
+                                {% include "pretixcontrol/items/fragment_quota_availability.html" with availability=q.cached_avail closed=q.closed %}
+                                {% endfor %}
+                            </td>
+                        </tr>
+                    {% endfor %}
+                {% endif %}
+                {% if subevent %}
+                    <tr>
+                        <td>
+                            <strong><a href="{% url "control:event.subevent" organizer=request.event.organizer.slug event=request.event.slug subevent=subevent.id %}?returnto={{ request.GET.urlencode|urlencode }}">
+                                {{ subevent.name }}</a></strong><br>
+                            <small class="text-muted">
+                                #{{ subevent.pk }}
+                            </small>
+                        </td>
+                        <td>
+                            {{ subevent.get_date_from_display }}<br>
+                            <span class="text-muted">
+                               {{ subevent.date_from|date:"l" }}
+                            </span>
+                        </td>
+                        <td>
+                            {% for q in subevent.first_quotas|slice:":3" %}
+                                {% include "pretixcontrol/fragment_quota_box_paid.html" with quota=q %}
+                            {% endfor %}
+                            {% if subevent.first_quotas|length > 3 %}
+                                <a href="{% url "control:event.items.quotas" organizer=request.event.organizer.slug event=request.event.slug %}?subevent={{ subevent.id }}"
+                                        class="quotabox-more" data-toggle="tooltip" title="{% trans "More quotas" %}"
+                                        data-placement="top">
+                                    &middot;&middot;&middot;
+                                </a>
+                            {% endif %}
+                        </td>
+                        <td>
+                            {% for q in subevent.first_quotas %}
+                            {% include "pretixcontrol/items/fragment_quota_availability.html" with availability=q.cached_avail closed=q.closed %}
+                            {% endfor %}
+                        </td>
+                    </tr>
+                {% endif %}
+                </tbody>
+                </table>
+        </div>
+    </div>
+    <!-- Quotas ------------------------------------------------------------------------------------------------------->
+    <!-- Logs --------------------------------------------------------------------------------------------------------->
+    <div class="panel panel-default">
+        <div class="panel-heading">
+            <h3 class="panel-title">
+                {% trans "Event logs" %}
+            </h3>
+        </div>
+        <ul class="list-group" id="logs_target">
+            <div class="logs-lazy-loading">
+                <span class="fa fa-cog fa-4x"></span>
+            </div>
+        </ul>
+        <div class="panel-footer">
+            <a href="{% url "control:event.log" event=request.event.slug organizer=request.event.organizer.slug %}">
+                {% trans "Show more logs" %}
+            </a>
+        </div>
+    </div>
+    <!-- Logs --------------------------------------------------------------------------------------------------------->
+    <script type="application/json" id="rev-data">{{ rev_data|escapejson }}</script>
+    <script type="application/text" id="currency">{{ request.event.currency }}</script>
+{% endblock %}
@@ -108,6 +108,7 @@
                        </div>
                    {% endif %}
                    {% bootstrap_field form.checkin_attention layout="control" %}
+                    {% bootstrap_field form.checkin_text layout="control" %}
                </div>
            </details>
        {% endfor %}
@@ -206,6 +207,7 @@
                        </div>
                    {% endif %}
                    {% bootstrap_field formset.empty_form.checkin_attention layout="control" %}
+                    {% bootstrap_field formset.empty_form.checkin_text layout="control" %}
                </div>
            </details>
        {% endescapescript %}
@@ -202,12 +202,14 @@
                    <fieldset>
                        <legend>{% trans "Check-in & Validity" %}</legend>
                        {% bootstrap_field form.checkin_attention layout="control" %}
+                        {% bootstrap_field form.checkin_text layout="control" %}
                        {% bootstrap_field form.validity_mode layout="control" %}
                        <div data-display-dependency="#{{ form.validity_mode.id_for_label }}" data-display-dependency-value="fixed">
                            {% bootstrap_field form.validity_fixed_from layout="control" %}
                            {% bootstrap_field form.validity_fixed_until layout="control" %}
                        </div>
                        <div data-display-dependency="#{{ form.validity_mode.id_for_label }}" data-display-dependency-value="dynamic">
+                            {% bootstrap_field form.validity_dynamic_start_choice layout="control" %}
                            <div class="form-group metadata-group">
                                <label class="col-md-3 control-label">{% trans "Duration" %}</label>
                                <div class="col-md-9">
@@ -230,8 +232,7 @@
                                    </div>
                                </div>
                            </div>
-                            {% bootstrap_field form.validity_dynamic_start_choice layout="control" %}
-                            <div data-display-dependency="#{{ form.validity_dynamic_start_choice.id_for_label }}">
+                            <div data-display-dependency="#{{ form.validity_dynamic_start_choice.id_for_label }}" data-display-dependency-value="True">
                                {% trans "days" as t_days %}
                                {% bootstrap_field form.validity_dynamic_start_choice_day_limit addon_after=t_days layout="control" %}
                            </div>
@@ -129,6 +129,7 @@
                {% bootstrap_field form.help_text layout="control" %}
                {% bootstrap_field form.identifier layout="control" %}
                {% bootstrap_field form.ask_during_checkin layout="control" %}
+                {% bootstrap_field form.show_during_checkin layout="control" %}
                {% bootstrap_field form.hidden layout="control" %}
                {% bootstrap_field form.print_on_invoice layout="control" %}

@@ -997,6 +997,7 @@
                                {% bootstrap_field comment_form.comment show_help=True show_label=False %}
                                {% bootstrap_field comment_form.custom_followup_at %}
                                {% bootstrap_field comment_form.checkin_attention show_help=True show_label=False %}
+                                {% bootstrap_field comment_form.checkin_text show_help=True show_label=False %}
                                {% if "can_change_orders" in request.eventpermset %}
                                    <button class="btn btn-default">
                                        {% trans "Update comment" %}
@@ -25,6 +25,17 @@
        <fieldset>
            <legend>{% trans "Export options" %}</legend>
            {% bootstrap_form exporter.form layout='control' %}
+
+            {% if "_format" in exporter.form.fields and exporter.multisheet_warning %}
+                <div data-display-dependency="#id_{{ exporter.form.prefix }}-_format" data-display-dependency-value="xlsx">
+                    <div class="alert alert-info">
+                        {% blocktrans trimmed %}
+                            Your generated Excel file will have <strong>multiple sheets</strong>. Some data you are
+                            looking for might not be on the first sheet.
+                        {% endblocktrans %}
+                    </div>
+                </div>
+            {% endif %}
        </fieldset>
        {% if schedule_form %}
            {% include "pretixcontrol/orders/fragment_export_schedule_form.html" %}
@@ -1,5 +1,6 @@
 {% load i18n %}
 {% load bootstrap3 %}
+{# Changes should be replicated in pretixpresale/event/fragment_order_status.html and in pretix/base/models/orders.py #}
 {% if order.status == "n" %}
    {% if order.require_approval %}
        <span class="label label-warning {{ class }}">
@@ -299,6 +299,13 @@
                                    {% trans "Deny" %}
                                </button>
                            </li>
+                            <li>
+                                <button type="submit" class="btn"
+                                        formaction="{% url "control:event.orders.bulk.refund_overpaid" organizer=request.organizer.slug event=request.event.slug %}">
+                                    <i class="fa fa-money fa-fw text-danger"></i>
+                                    {% trans "Refund overpaid amount" %}
+                                </button>
+                            </li>
                            {% if not request.event.settings.payment_term_expire_automatically %}
                                <li>
                                    <button type="submit" class="btn"
@@ -26,6 +26,17 @@
        <fieldset>
            <legend>{% trans "Export options" %}</legend>
            {% bootstrap_form exporter.form layout='control' %}
+
+            {% if "_format" in exporter.form.fields and exporter.multisheet_warning %}
+                <div data-display-dependency="#id_{{ exporter.form.prefix }}-_format" data-display-dependency-value="xlsx">
+                    <div class="alert alert-info">
+                        {% blocktrans trimmed %}
+                            Your generated Excel file will have <strong>multiple sheets</strong>. Some data you are
+                            looking for might not be on the first sheet.
+                        {% endblocktrans %}
+                    </div>
+                </div>
+            {% endif %}
        </fieldset>
        {% if schedule_form %}
            {% include "pretixcontrol/orders/fragment_export_schedule_form.html" %}
@@ -10,78 +10,93 @@
    {% endif %}
    <form class="form-horizontal" action="" method="post">
        {% csrf_token %}
-        {% bootstrap_form form layout="control" %}
-
-        <div class="form-group">
-            <label class="col-md-3 control-label">
-                {% trans "Allowed values" %}<br>
-                <span class="optional">{% trans "Optional" %}</span>
-            </label>
-            <div class="col-md-9">
-                <p class="help-block">{% trans "If you keep this empty, all input will be allowed." %}</p>
-                <div class="formset tax-rules-formset" data-formset data-formset-prefix="{{ formset.prefix }}">
-                    {{ formset.management_form }}
-                    {% bootstrap_formset_errors formset %}
-                    <script type="form-template" data-formset-empty-form>
-                        {% escapescript %}
-                            <div class="row tax-rule-line" data-formset-form>
-                                <div class="sr-only">
-                                    {{ formset.empty_form.id }}
-                                    {% bootstrap_field formset.empty_form.DELETE form_group_class="" layout="inline" %}
-                                    {% bootstrap_field formset.empty_form.ORDER form_group_class="" layout="inline" %}
+        {% bootstrap_form_errors form layout="control" %}
+        <fieldset>
+            <legend>{% trans "General" %}</legend>
+            {% bootstrap_field form.name layout="control" %}
+            {% bootstrap_field form.default layout="control" %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Usage" %}</legend>
+            {% bootstrap_field form.filter_allowed layout="control" %}
+            {% bootstrap_field form.filter_public layout="control" %}
+            {% bootstrap_field form.public_label layout="control" %}
+        </fieldset>
+        <fieldset>
+            <legend>{% trans "Validation" %}</legend>
+            {% bootstrap_field form.required layout="control" %}
+            {% bootstrap_field form.protected layout="control" %}
+            <div class="form-group">
+                <label class="col-md-3 control-label">
+                    {% trans "Allowed values" %}<br>
+                    <span class="optional">{% trans "Optional" %}</span>
+                </label>
+                <div class="col-md-9">
+                    <p class="help-block">{% trans "If you keep this empty, all input will be allowed." %}</p>
+                    <div class="formset tax-rules-formset" data-formset data-formset-prefix="{{ formset.prefix }}">
+                        {{ formset.management_form }}
+                        {% bootstrap_formset_errors formset %}
+                        <script type="form-template" data-formset-empty-form>
+                            {% escapescript %}
+                                <div class="row tax-rule-line" data-formset-form>
+                                    <div class="sr-only">
+                                        {{ formset.empty_form.id }}
+                                        {% bootstrap_field formset.empty_form.DELETE form_group_class="" layout="inline" %}
+                                        {% bootstrap_field formset.empty_form.ORDER form_group_class="" layout="inline" %}
+                                    </div>
+                                    <div class="col-sm-6 col-md-4 col-lg-5">
+                                        {% bootstrap_field formset.empty_form.key layout='inline' form_group_class="" %}
+                                    </div>
+                                    <div class="col-sm-6 col-md-4 col-lg-5">
+                                        {% bootstrap_field formset.empty_form.label layout='inline' form_group_class="" %}
+                                    </div>
+                                    <div class="col-sm-6 col-md-3 col-lg-2 text-right flip">
+                                        <button type="button" class="btn btn-default" data-formset-move-up-button>
+                                            <i class="fa fa-arrow-up"></i></button>
+                                        <button type="button" class="btn btn-default" data-formset-move-down-button>
+                                            <i class="fa fa-arrow-down"></i></button>
+                                        <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                            <i class="fa fa-trash"></i></button>
+                                    </div>
                                </div>
-                                <div class="col-sm-6 col-md-4 col-lg-5">
-                                    {% bootstrap_field formset.empty_form.key layout='inline' form_group_class="" %}
-                                </div>
-                                <div class="col-sm-6 col-md-4 col-lg-5">
-                                    {% bootstrap_field formset.empty_form.label layout='inline' form_group_class="" %}
-                                </div>
-                                <div class="col-sm-6 col-md-3 col-lg-2 text-right flip">
-                                    <button type="button" class="btn btn-default" data-formset-move-up-button>
-                                        <i class="fa fa-arrow-up"></i></button>
-                                    <button type="button" class="btn btn-default" data-formset-move-down-button>
-                                        <i class="fa fa-arrow-down"></i></button>
-                                    <button type="button" class="btn btn-danger" data-formset-delete-button>
-                                        <i class="fa fa-trash"></i></button>
+                            {% endescapescript %}
+                        </script>
+                        <div data-formset-body class="tax-rule-lines">
+                            {% for form in formset %}
+                                {% bootstrap_form_errors form %}
+                                <div class="row tax-rule-line" data-formset-form>
+                                    <div class="sr-only">
+                                        {{ form.id }}
+                                        {% bootstrap_field form.DELETE form_group_class="" layout="inline" %}
+                                        {% bootstrap_field form.ORDER form_group_class="" layout="inline" %}
+                                    </div>
+                                    <div class="col-sm-6 col-md-4 col-lg-5">
+                                        {% bootstrap_field form.key layout='inline' form_group_class="" %}
+                                    </div>
+                                    <div class="col-sm-6 col-md-4 col-lg-5">
+                                        {% bootstrap_field form.label layout='inline' form_group_class="" %}
+                                    </div>
+                                    <div class="col-sm-6 col-md-3 col-lg-2 text-right flip">
+                                        <button type="button" class="btn btn-default" data-formset-move-up-button>
+                                            <i class="fa fa-arrow-up"></i></button>
+                                        <button type="button" class="btn btn-default" data-formset-move-down-button>
+                                            <i class="fa fa-arrow-down"></i></button>
+                                        <button type="button" class="btn btn-danger" data-formset-delete-button>
+                                            <i class="fa fa-trash"></i></button>
+                                    </div>
                                </div>
+                            {% endfor %}
+                        </div>
+                        <div class="row tax-rule-line" data-formset-form>
+                            <div class="col-sm-12">
+                                <button type="button" class="btn btn-default" data-formset-add>
+                                    <i class="fa fa-plus"></i> {% trans "Add a new value" %}</button>
                            </div>
-                        {% endescapescript %}
-                    </script>
-                    <div data-formset-body class="tax-rule-lines">
-                        {% for form in formset %}
-                            {% bootstrap_form_errors form %}
-                            <div class="row tax-rule-line" data-formset-form>
-                                <div class="sr-only">
-                                    {{ form.id }}
-                                    {% bootstrap_field form.DELETE form_group_class="" layout="inline" %}
-                                    {% bootstrap_field form.ORDER form_group_class="" layout="inline" %}
-                                </div>
-                                <div class="col-sm-6 col-md-4 col-lg-5">
-                                    {% bootstrap_field form.key layout='inline' form_group_class="" %}
-                                </div>
-                                <div class="col-sm-6 col-md-4 col-lg-5">
-                                    {% bootstrap_field form.label layout='inline' form_group_class="" %}
-                                </div>
-                                <div class="col-sm-6 col-md-3 col-lg-2 text-right flip">
-                                    <button type="button" class="btn btn-default" data-formset-move-up-button>
-                                        <i class="fa fa-arrow-up"></i></button>
-                                    <button type="button" class="btn btn-default" data-formset-move-down-button>
-                                        <i class="fa fa-arrow-down"></i></button>
-                                    <button type="button" class="btn btn-danger" data-formset-delete-button>
-                                        <i class="fa fa-trash"></i></button>
-                                </div>
-                            </div>
-                        {% endfor %}
-                    </div>
-                    <div class="row tax-rule-line" data-formset-form>
-                        <div class="col-sm-12">
-                            <button type="button" class="btn btn-default" data-formset-add>
-                                <i class="fa fa-plus"></i> {% trans "Add a new value" %}</button>
                        </div>
                    </div>
                </div>
            </div>
-        </div>
+        </fieldset>

        <div class="form-group submit-group">
            <button type="submit" class="btn btn-primary btn-save">
@@ -11,7 +11,7 @@
    {% else %}
        <h1>{% trans "Date" context "subevent" %}</h1>
    {% endif %}
-    <form action="" method="post" class="form-horizontal" enctype="multipart/form-datai">
+    <form action="" method="post" class="form-horizontal" enctype="multipart/form-data">
        {% csrf_token %}
        {% bootstrap_form_errors form %}
        {% for f in itemvar_forms %}
@@ -38,8 +38,8 @@ from django.views.generic.base import RedirectView

 from pretix.control.views import (
    auth, checkin, dashboards, discounts, event, geo, global_settings, item,
-    main, oauth, orderimport, orders, organizer, pdf, search, shredder,
-    subevents, typeahead, user, users, vouchers, waitinglist,
+    main, new_dashboard, oauth, orderimport, orders, organizer, pdf, search,
+    shredder, subevents, typeahead, user, users, vouchers, waitinglist,
 )

 urlpatterns = [
@@ -239,7 +239,7 @@ urlpatterns = [
    re_path(r'^search/orders/$', search.OrderSearch.as_view(), name='search.orders'),
    re_path(r'^search/payments/$', search.PaymentSearch.as_view(), name='search.payments'),
    re_path(r'^event/(?P<organizer>[^/]+)/(?P<event>[^/]+)/', include([
-        re_path(r'^$', dashboards.event_index, name='event.index'),
+        re_path(r'^$', new_dashboard.IndexView.as_view(), name='event.index'),
        re_path(r'^qrcode.(?P<filetype>(png|jpeg|gif|svg))$', event.EventQRCode.as_view(), name='event.qrcode'),
        re_path(r'^widgets.json$', dashboards.event_index_widgets_lazy, name='event.index.widgets'),
        re_path(r'^logs/embed$', dashboards.event_index_log_lazy, name='event.index.logs'),
@@ -423,6 +423,7 @@ urlpatterns = [
        re_path(r'^orders/bulk/approve$', orders.OrderApproveBulkActionView.as_view(), name='event.orders.bulk.approve'),
        re_path(r'^orders/bulk/deny$', orders.OrderDenyBulkActionView.as_view(), name='event.orders.bulk.deny'),
        re_path(r'^orders/bulk/expire$', orders.OrderExpireBulkActionView.as_view(), name='event.orders.bulk.expire'),
+        re_path(r'^orders/bulk/refund_overpaid$', orders.OrderOverpaidRefundBulkActionView.as_view(), name='event.orders.bulk.refund_overpaid'),
        re_path(r'^orders/bulk/delete$', orders.OrderDeleteBulkActionView.as_view(), name='event.orders.bulk.delete'),
        re_path(r'^orders/search$', orders.OrderSearch.as_view(), name='event.orders.search'),
        re_path(r'^dangerzone/$', event.DangerZone.as_view(), name='event.dangerzone'),
@@ -87,8 +87,8 @@ def process_login(request, user, keep_logged_in):
        auth_login(request, user)
        request.session['pretix_auth_login_time'] = int(time.time())
        if next_url and url_has_allowed_host_and_scheme(next_url, allowed_hosts=None):
-            return redirect(next_url)
-        return redirect(reverse('control:index'))
+            return redirect_to_url(next_url)
+        return redirect('control:index')


 def login(request):
@@ -149,7 +149,10 @@ def register(request):
        raise PermissionDenied('Registration is disabled')
    ctx = {}
    if request.user.is_authenticated:
-        return redirect(request.GET.get("next", 'control:index'))
+        next_url = request.GET.get("next") or reverse("control:index")
+        if next_url and url_has_allowed_host_and_scheme(next_url, allowed_hosts=None):
+            return redirect_to_url(next_url)
+        return redirect("control:index")
    if request.method == 'POST':
        form = RegistrationForm(data=request.POST)
        if form.is_valid():
@@ -256,7 +259,10 @@ class Forgot(TemplateView):

    def get(self, request, *args, **kwargs):
        if request.user.is_authenticated:
-            return redirect(request.GET.get("next", 'control:index'))
+            next_url = request.GET.get("next") or reverse("control:index")
+            if next_url and url_has_allowed_host_and_scheme(next_url, allowed_hosts=None):
+                return redirect_to_url(next_url)
+            return redirect("control:index")
        return super().get(request, *args, **kwargs)

    def post(self, request, *args, **kwargs):
@@ -322,13 +328,17 @@ class Recover(TemplateView):
    }

    def dispatch(self, request, *args, **kwargs):
-        if not settings.PRETIX_PASSWORD_RESET or 'native' not in get_auth_backends():
+        # settings.PRETIX_PASSWORD_RESET is not checked here to allow admin-sent recovery links
+        if 'native' not in get_auth_backends():
            raise PermissionDenied('Registration is disabled')
        return super().dispatch(request, *args, **kwargs)

    def get(self, request, *args, **kwargs):
        if request.user.is_authenticated:
-            return redirect(request.GET.get("next", 'control:index'))
+            next_url = request.GET.get("next") or reverse("control:index")
+            if next_url and url_has_allowed_host_and_scheme(next_url, allowed_hosts=None):
+                return redirect_to_url(next_url)
+            return redirect("control:index")
        try:
            user = User.objects.get(id=self.request.GET.get('id'), is_active=True, auth_backend='native')
        except User.DoesNotExist:
@@ -452,7 +462,7 @@ class Login2FAView(TemplateView):
            del request.session['pretix_auth_2fa_time']
            if "next" in request.GET and url_has_allowed_host_and_scheme(request.GET.get("next"), allowed_hosts=None):
                return redirect_to_url(request.GET.get("next"))
-            return redirect(reverse('control:index'))
+            return redirect('control:index')
        else:
            messages.error(request, _('Invalid code, please try again.'))
            return redirect('control:auth.login.2fa')
@@ -551,9 +551,12 @@ class CheckInListSimulator(EventPermissionRequiredMixin, FormView):
            gate=form.cleaned_data.get("gate"),
        ).data

+        if self.result.get("position"):
+            op = OrderPosition.objects.get(pk=self.result["position"]["id"])
+            self.result["position_object"] = op
+
        if form.cleaned_data["checkin_type"] == Checkin.TYPE_ENTRY and self.list.rules and self.result.get("position")\
                and (self.result["status"] in ("ok", "incomplete") or self.result["reason"] == "rules"):
-            op = OrderPosition.objects.get(pk=self.result["position"]["id"])
            rule_data = LazyRuleVars(op, self.list, form.cleaned_data["datetime"], form.cleaned_data.get("gate"))
            rule_graph = _logic_annotate_for_graphic_explain(self.list.rules, op.subevent or self.list.event, rule_data,
                                                             form.cleaned_data["datetime"])
@@ -19,6 +19,7 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
+import hashlib
 import logging
 from urllib.parse import quote

@@ -36,7 +37,8 @@ logger = logging.getLogger(__name__)
 class GeoCodeView(LoginRequiredMixin, View):
    def get(self, request, *args, **kwargs):
        q = self.request.GET.get('q')
-        cd = cache.get('geocode:{}'.format(q))
+        cache_key = 'geocode:{}'.format(hashlib.sha256(q.encode()).hexdigest())
+        cd = cache.get(cache_key)
        if cd:
            return JsonResponse({
                'success': True,
@@ -61,7 +63,7 @@ class GeoCodeView(LoginRequiredMixin, View):
                'results': []
            }, status=200)

-        cache.set('geocode:{}'.format(q), res, timeout=3600 * 6)
+        cache.set(cache_key, res, timeout=3600 * 6)
        return JsonResponse({
            'success': True,
            'results': res
@@ -44,7 +44,7 @@ logger = logging.getLogger(__name__)
 def get_spf_record(hostname):
    try:
        r = dns.resolver.Resolver()
-        for resp in r.query(hostname, 'TXT'):
+        for resp in r.resolve(hostname, 'TXT'):
            data = b''.join(resp.strings).decode()
            if data.lower().strip().startswith('v=spf1 '):  # RFC7208, section 4.5
                return data
@@ -0,0 +1,266 @@
+import datetime
+import json
+from decimal import Decimal
+
+import dateutil
+from django.db.models import (
+    DateTimeField, F, Max, OuterRef, Prefetch, Q, Subquery, Sum,
+)
+from django.db.models.functions import Coalesce
+from django.urls import reverse
+from django.utils import formats, timezone
+from django.utils.timezone import now
+from django.utils.translation import gettext_lazy as _
+from django.views.generic import TemplateView
+
+from pretix.base.channels import get_all_sales_channels
+from pretix.base.decimal import round_decimal
+from pretix.base.models import SubEvent
+from pretix.base.models.orders import (
+    CancellationRequest, Order, OrderPayment, OrderPosition, OrderRefund,
+)
+from pretix.base.services.quotas import QuotaAvailability
+from pretix.base.timeline import timeline_for_event
+from pretix.control.forms.event import CommentForm
+from pretix.control.permissions import EventPermissionRequiredMixin
+from pretix.control.views import ChartContainingView
+
+NUM_WIDGET = str('<div class="numwidget">'
+                 '<span class="num">{num}</span>'
+                 '<span class="text"><span class="label-primary">{text}</span></span>'
+                 '<span class="text-add">{text_add}</span></div>')
+
+
+class IndexView(EventPermissionRequiredMixin, ChartContainingView, TemplateView):
+    template_name = 'pretixcontrol/event/new_index.html'
+    permission = 'can_view_orders'
+
+    def get_context_data(self, **kwargs):
+        subevent = None
+        if self.request.GET.get("subevent", "") != "" and self.request.event.has_subevents:
+            i = self.request.GET.get("subevent", "")
+            try:
+                subevent = self.request.event.subevents.get(pk=i)
+            except SubEvent.DoesNotExist:
+                pass
+
+        can_view_orders = self.request.user.has_event_permission(self.request.organizer, self.request.event,
+                                                                 'can_view_orders',
+                                                                 request=self.request)
+        # can_change_event_settings = self.request.user.has_event_permission(self.request.organizer, self.request.event,
+        #                                                                    'can_change_event_settings',
+        #                                                                    request=self.request)
+
+        ctx = {
+            'subevent': subevent,
+            'comment_form': CommentForm(initial={'comment': self.request.event.comment},
+                                        readonly=True),  # not can_change_event_settings),
+        }
+
+        if subevent:
+            opqs = OrderPosition.objects.filter(subevent=subevent)
+        else:
+            opqs = OrderPosition.objects
+
+        ctx['shop_state'] = {
+            'display_size': 'small',
+            'priority': 1000,
+            'content': '<span class="{cls}">{t1} {state} <span class="fa {icon}"></span></span>'.format(
+                t1=_('Your ticket shop is'),
+                state=_('live') if self.request.event.live and not self.request.event.testmode else (
+                    _('live and in test mode') if self.request.event.live else (
+                        _('not yet public') if not self.request.event.testmode else (
+                            _('in private test mode')
+                        )
+                    )
+                ),
+                icon='fa-check-circle' if self.request.event.live and not self.request.event.testmode else (
+                    'fa-warning' if self.request.event.live else (
+                        'fa-times-circle' if not self.request.event.testmode else (
+                            'fa-lock'
+                        )
+                    )
+                ),
+                cls='live' if self.request.event.live else 'off'
+            ),
+            'url': reverse('control:event.live', kwargs={
+                'event': self.request.event.slug,
+                'organizer': self.request.event.organizer.slug
+            })
+        }
+
+        qs = self.request.event.checkin_lists.filter(subevent=subevent)
+        sales_channels = get_all_sales_channels()
+        for cl in qs:
+            if cl.subevent:
+                cl.subevent.event = self.request.event  # re-use same event object to make sure settings are cached
+            cl.auto_checkin_sales_channels = [sales_channels[channel] for channel in cl.auto_checkin_sales_channels]
+        ctx['checkinlists'] = qs
+
+        qs = self.request.event.subevents
+        if list:
+            qs = qs.prefetch_related(
+                Prefetch('quotas',
+                         queryset=self.request.event.quotas.annotate(s=Coalesce(F('size'), 0)).order_by('-s'),
+                         to_attr='first_quotas')
+            )
+        ctx['subevents'] = qs
+        quotas = []
+        for s in ctx['subevents']:
+            s.first_quotas = s.first_quotas[:4]
+            quotas += list(s.first_quotas)
+
+        qa = QuotaAvailability(early_out=False)
+        for q in quotas:
+            qa.queue(q)
+        qa.compute()
+
+        for q in quotas:
+            q.cached_avail = qa.results[q]
+            q.cached_availability_paid_orders = qa.count_paid_orders.get(q, 0)
+            if q.size is not None:
+                q.percent_paid = min(
+                    100,
+                    round(q.cached_availability_paid_orders / q.size * 100) if q.size > 0 else 100
+                )
+
+        tickc = opqs.filter(
+            order__event=self.request.event, item__admission=True,
+            order__status__in=(Order.STATUS_PAID, Order.STATUS_PENDING),
+        ).count()
+        paidc = opqs.filter(
+            order__event=self.request.event, item__admission=True,
+            order__status=Order.STATUS_PAID,
+        ).count()
+        ctx['attendees_paid_ordered'] = {
+            'content': NUM_WIDGET.format(
+                num=f'{tickc}',
+                text=_('<span class="fa fa-user icon"></span> Attendees'),
+                text_add=f'{paidc} paid, {tickc - paidc} pending'),
+            'priority': 100,
+            'url': reverse('control:event.orders.overview', kwargs={
+                'event': self.request.event.slug,
+                'organizer': self.request.event.organizer.slug
+            }) + ('?subevent={}'.format(subevent.pk) if subevent else '')
+        }
+
+        if subevent:
+            rev = opqs.filter(
+                order__event=self.request.event, order__status=Order.STATUS_PAID
+            ).aggregate(
+                sum=Sum('price')
+            )['sum'] or Decimal('0.00')
+        else:
+            rev = Order.objects.filter(
+                event=self.request.event,
+                status=Order.STATUS_PAID
+            ).aggregate(sum=Sum('total'))['sum'] or Decimal('0.00')
+
+        ctx['total_revenue'] = {
+            'content': NUM_WIDGET.format(
+                num='<span class="icon">{currency}</span> {amount}'.format(
+                    currency=self.request.event.currency,
+                    amount=formats.localize(round_decimal(rev, self.request.event.currency))
+                ),
+                text=_('Total revenue'),
+                text_add=''
+            ),
+            'priority': 100,
+            'url': reverse('control:event.orders.overview', kwargs={
+                'event': self.request.event.slug,
+                'organizer': self.request.event.organizer.slug
+            }) + ('?subevent={}'.format(subevent.pk) if subevent else '')
+        }
+
+        cache = self.request.event.cache
+        ckey = str(subevent.pk) if subevent else 'all'
+        tz = timezone.get_current_timezone()
+        op_date = OrderPayment.objects.filter(
+            order=OuterRef('order'),
+            state__in=(OrderPayment.PAYMENT_STATE_CONFIRMED, OrderPayment.PAYMENT_STATE_REFUNDED),
+            payment_date__isnull=False
+        ).values('order').annotate(
+            m=Max('payment_date')
+        ).values(
+            'm'
+        ).order_by()
+        p_date = OrderPayment.objects.filter(
+            order=OuterRef('pk'),
+            state__in=(OrderPayment.PAYMENT_STATE_CONFIRMED, OrderPayment.PAYMENT_STATE_REFUNDED),
+            payment_date__isnull=False
+        ).values('order').annotate(
+            m=Max('payment_date')
+        ).values(
+            'm'
+        ).order_by()
+        ctx['rev_data'] = cache.get('statistics_rev_data' + ckey)
+        if not ctx['rev_data']:
+            rev_by_day = {}
+            if subevent:
+                for o in OrderPosition.objects.annotate(
+                        payment_date=Subquery(op_date, output_field=DateTimeField())
+                ).filter(order__event=self.request.event,
+                         subevent=subevent,
+                         order__status=Order.STATUS_PAID,
+                         payment_date__isnull=False).values('payment_date', 'price'):
+                    day = o['payment_date'].astimezone(tz).date()
+                    rev_by_day[day] = rev_by_day.get(day, 0) + o['price']
+            else:
+                for o in Order.objects.annotate(
+                        payment_date=Subquery(p_date, output_field=DateTimeField())
+                ).filter(event=self.request.event,
+                         status=Order.STATUS_PAID,
+                         payment_date__isnull=False).values('payment_date', 'total'):
+                    day = o['payment_date'].astimezone(tz).date()
+                    rev_by_day[day] = rev_by_day.get(day, 0) + o['total']
+
+            data = []
+            total = 0
+            for d in dateutil.rrule.rrule(
+                    dateutil.rrule.DAILY,
+                    dtstart=min(rev_by_day.keys() if rev_by_day else [datetime.date.today()]),
+                    until=max(rev_by_day.keys() if rev_by_day else [datetime.date.today()])):
+                d = d.date()
+                rev = float(rev_by_day.get(d, 0))
+                if True:  # rev != 0:
+                    total += rev
+                    data.append({
+                        'date': d.strftime('%Y-%m-%d'),
+                        'revenue': round(total, 2),
+                    })
+            ctx['rev_data'] = json.dumps(data)
+            cache.set('statistics_rev_data' + ckey, ctx['rev_data'])
+
+        ctx['has_overpaid_orders'] = can_view_orders and Order.annotate_overpayments(self.request.event.orders).filter(
+            Q(~Q(status=Order.STATUS_CANCELED) & Q(pending_sum_t__lt=0))
+            | Q(Q(status=Order.STATUS_CANCELED) & Q(pending_sum_rc__lt=0))
+        ).exists()
+        ctx['has_pending_orders_with_full_payment'] = can_view_orders and Order.annotate_overpayments(
+            self.request.event.orders).filter(
+            Q(status__in=(Order.STATUS_EXPIRED, Order.STATUS_PENDING)) & Q(pending_sum_t__lte=0) & Q(
+                require_approval=False)
+        ).exists()
+        ctx['has_pending_refunds'] = can_view_orders and OrderRefund.objects.filter(
+            order__event=self.request.event,
+            state__in=(OrderRefund.REFUND_STATE_CREATED, OrderRefund.REFUND_STATE_EXTERNAL)
+        ).exists()
+        ctx['has_pending_approvals'] = can_view_orders and self.request.event.orders.filter(
+            status=Order.STATUS_PENDING,
+            require_approval=True
+        ).exists()
+        ctx['has_cancellation_requests'] = can_view_orders and CancellationRequest.objects.filter(
+            order__event=self.request.event
+        ).exists()
+
+        ctx['timeline'] = [
+            {
+                'date': t.datetime.astimezone(self.request.event.timezone).date(),
+                'entry': t,
+                'time': t.datetime.astimezone(self.request.event.timezone)
+            }
+            for t in timeline_for_event(self.request.event, subevent)
+        ]
+        ctx['today'] = now().astimezone(self.request.event.timezone).date()
+        ctx['nearly_now'] = now().astimezone(self.request.event.timezone) - datetime.timedelta(seconds=20)
+        # resp['Content-Security-Policy'] = "style-src 'unsafe-inline'"
+        return ctx
@@ -50,6 +50,7 @@ from pretix.base.services.orderimport import import_orders, parse_csv
 from pretix.base.views.tasks import AsyncAction
 from pretix.control.forms.orderimport import ProcessForm
 from pretix.control.permissions import EventPermissionRequiredMixin
+from pretix.helpers.http import redirect_to_url

 logger = logging.getLogger(__name__)
 ENCODINGS = (
@@ -69,19 +70,19 @@ class ImportView(EventPermissionRequiredMixin, TemplateView):

    def post(self, request, *args, **kwargs):
        if 'file' not in request.FILES:
-            return redirect(reverse('control:event.orders.import', kwargs={
+            return redirect_to_url(reverse('control:event.orders.import', kwargs={
                'event': request.event.slug,
                'organizer': request.organizer.slug,
            }))
        if not request.FILES['file'].name.lower().endswith('.csv'):
            messages.error(request, _('Please only upload CSV files.'))
-            return redirect(reverse('control:event.orders.import', kwargs={
+            return redirect_to_url(reverse('control:event.orders.import', kwargs={
                'event': request.event.slug,
                'organizer': request.organizer.slug,
            }))
        if request.FILES['file'].size > settings.FILE_UPLOAD_MAX_SIZE_OTHER:
            messages.error(request, _('Please do not upload files larger than 10 MB.'))
-            return redirect(reverse('control:event.orders.import', kwargs={
+            return redirect_to_url(reverse('control:event.orders.import', kwargs={
                'event': request.event.slug,
                'organizer': request.organizer.slug,
            }))
@@ -74,6 +74,7 @@ from i18nfield.strings import LazyI18nString
 from pretix.base.channels import get_all_sales_channels
 from pretix.base.decimal import round_decimal
 from pretix.base.email import get_email_context
+from pretix.base.exporter import MultiSheetListExporter
 from pretix.base.i18n import language
 from pretix.base.models import (
    CachedCombinedTicket, CachedFile, CachedTicket, Checkin, Invoice,
@@ -212,10 +213,14 @@ class BaseOrderBulkActionView(OrderSearchMixin, EventPermissionRequiredMixin, As
    def execute_bulk(self, queryset: QuerySet, form: forms.Form):
        qs = self.allowed_for(self.allowed_for(self.get_queryset()))
        total = qs.count()
+        orders_with_successful_action = 0
        for i, o in enumerate(qs):
-            self.execute_single(o, form)
+            res = self.execute_single(o, form)
+            if res:
+                orders_with_successful_action += 1
            if i % 100 == 0:
                self.async_set_progress(i / total * 100)
+        return orders_with_successful_action, total

    def get_error_url(self):
        return self.get_success_url(None)
@@ -231,6 +236,9 @@ class BaseOrderBulkActionView(OrderSearchMixin, EventPermissionRequiredMixin, As
            'organizer': self.request.event.organizer.slug,
        })

+    def get_success_message(self, value):
+        return _("Successfully executed the action \"{label}\" on {success} of {total} orders.").format(success=value[0], label=self.label, total=value[1])
+
    def get_context_data(self, **kwargs):
        ctx = super().get_context_data(**kwargs)
        ctx['total'] = self.get_queryset().count()
@@ -270,7 +278,7 @@ class BaseOrderBulkActionView(OrderSearchMixin, EventPermissionRequiredMixin, As

    @transaction.atomic()
    def async_form_valid(self, task, form):
-        self.execute_bulk(self.allowed_for(self.get_queryset()), form)
+        return self.execute_bulk(self.allowed_for(self.get_queryset()), form)


 class OrderApproveBulkActionView(BaseOrderBulkActionView):
@@ -284,6 +292,7 @@ class OrderApproveBulkActionView(BaseOrderBulkActionView):

    def execute_single(self, instance, form: forms.Form):
        approve_order(instance, user=self.request.user)
+        return True


 class OrderDenyBulkActionView(BaseOrderBulkActionView):
@@ -300,6 +309,7 @@ class OrderDenyBulkActionView(BaseOrderBulkActionView):
        deny_order(instance, user=self.request.user,
                   comment=form.cleaned_data.get('comment') or None,
                   send_mail=form.cleaned_data['send_email'])
+        return True


 class OrderExpireBulkActionView(BaseOrderBulkActionView):
@@ -314,6 +324,33 @@ class OrderExpireBulkActionView(BaseOrderBulkActionView):

    def execute_single(self, instance, form: forms.Form):
        mark_order_expired(instance, user=self.request.user)
+        return True
+
+
+class OrderOverpaidRefundBulkActionView(BaseOrderBulkActionView):
+    label = _("Refund overpaid amount")
+
+    def allowed_for(self, queryset):
+        return Order.annotate_overpayments(queryset).filter(is_overpaid=True)
+
+    def execute_single(self, instance: Order, form: forms.Form):
+        if instance.pending_sum < 0:
+            try:
+                proposals = instance.propose_auto_refunds(instance.pending_sum * -1)
+                for payment, amount in proposals.items():
+                    refund = OrderRefund.objects.create(
+                        order=instance,
+                        payment=payment,
+                        source=OrderRefund.REFUND_SOURCE_ADMIN,
+                        state=OrderRefund.REFUND_STATE_CREATED,
+                        amount=amount,
+                        comment=_("Refund for overpayment"),
+                        provider=payment.provider
+                    )
+                    payment.payment_provider.execute_refund(refund)
+                    return True
+            except (ValueError, PaymentException):
+                return False


 class OrderDeleteBulkActionView(BaseOrderBulkActionView):
@@ -476,7 +513,8 @@ class OrderDetail(OrderView):
        ctx['comment_form'] = CommentForm(initial={
            'comment': self.order.comment,
            'custom_followup_at': self.order.custom_followup_at,
-            'checkin_attention': self.order.checkin_attention
+            'checkin_attention': self.order.checkin_attention,
+            'checkin_text': self.order.checkin_text,
        })
        ctx['display_locale'] = dict(settings.LANGUAGES)[self.object.locale or self.request.event.settings.locale]

@@ -710,7 +748,13 @@ class OrderComment(OrderView):
                self.order.log_action('pretix.event.order.checkin_attention', user=self.request.user, data={
                    'new_value': form.cleaned_data.get('checkin_attention')
                })
-            self.order.save(update_fields=['checkin_attention', 'comment', 'custom_followup_at'])
+
+            if form.cleaned_data.get('checkin_text') != self.order.checkin_text:
+                self.order.checkin_text = form.cleaned_data.get('checkin_text')
+                self.order.log_action('pretix.event.order.checkin_text', user=self.request.user, data={
+                    'new_value': form.cleaned_data.get('checkin_text')
+                })
+            self.order.save(update_fields=['checkin_attention', 'checkin_text', 'comment', 'custom_followup_at'])
            self.order.refresh_from_db()
            messages.success(self.request, _('The comment has been updated.'))
        else:
@@ -2479,6 +2523,7 @@ class ExportMixin:
                prefix=ex.identifier,
                initial=initial
            )
+            ex.multisheet_warning = isinstance(ex, MultiSheetListExporter) and len(ex.sheets) > 1
            ex.form.fields = ex.export_form_fields
            return ex

@@ -72,7 +72,9 @@ from pretix.api.models import ApiCall, WebHook
 from pretix.api.webhooks import manually_retry_all_calls
 from pretix.base.auth import get_auth_backends
 from pretix.base.channels import get_all_sales_channels
-from pretix.base.exporter import OrganizerLevelExportMixin
+from pretix.base.exporter import (
+    MultiSheetListExporter, OrganizerLevelExportMixin,
+)
 from pretix.base.i18n import language
 from pretix.base.models import (
    CachedFile, Customer, Device, Gate, GiftCard, Invoice, LogEntry,
@@ -1665,6 +1667,7 @@ class ExportMixin:
                prefix=ex.identifier,
                initial=initial
            )
+            ex.multisheet_warning = isinstance(ex, MultiSheetListExporter) and len(ex.sheets) > 1
            ex.form.fields = ex.export_form_fields
            if not isinstance(ex, OrganizerLevelExportMixin):
                ex.form.fields.update([
@@ -267,7 +267,7 @@ class WaitingListView(EventPermissionRequiredMixin, WaitingListQuerySetMixin, Pa
                    free_seats = num_free_seats_for_product - num_valid_vouchers_for_product
                    wle.availability = (
                        Quota.AVAILABILITY_GONE if free_seats == 0 else wle.availability[0],
-                        min(free_seats, wle.availability[1])
+                        min(free_seats, wle.availability[1]) if wle.availability[1] is not None else free_seats,
                    )

                itemvar_cache[(wle.item, wle.variation, wle.subevent)] = wle.availability
@@ -74,7 +74,11 @@ class InList(Func):
            raise TypeError(f'Dynamic right-hand-site currently not implemented, found {type(self.source_expressions[1])}')
        rhs, rhs_params = ['%s' for _ in self.source_expressions[1].value], [d for d in self.source_expressions[1].value]

-        return '%s IN (%s)' % (lhs, ', '.join(rhs)), lhs_params + rhs_params
+        if rhs:
+            return '%s IN (%s)' % (lhs, ', '.join(rhs)), lhs_params + rhs_params
+        else:
+            # "IN ()" is not considered valid SQL by PostgreSQL (unlike SQLite)
+            return 'FALSE', []


 def tolerance(b, tol=None, sign=1):
@@ -19,9 +19,11 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
+import types
 from datetime import datetime

 from PIL import Image
+from requests.adapters import HTTPAdapter


 def monkeypatch_vobject_performance():
@@ -67,6 +69,26 @@ def monkeypatch_pillow_safer():
        Image.ID.remove("EPS")


+def monkeypatch_requests_timeout():
+    """
+    The requests package does not by default set a timeout for outgoing HTTP requests. This is dangerous especially since
+    celery tasks have no timeout on the task as a whole (as web requests do), so HTTP requests to a non-responding
+    external service could lead to a clogging of the entire celery queue.
+    """
+    old_httpadapter_send = HTTPAdapter.send
+
+    def httpadapter_send(self, request, stream=False, timeout=None, verify=True, cert=None, proxies=None, **kwargs):
+        if timeout is None:
+            timeout = 30
+        return types.MethodType(old_httpadapter_send, self)(
+            request, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies,
+            **kwargs
+        )
+
+    HTTPAdapter.send = httpadapter_send
+
+
 def monkeypatch_all_at_ready():
    monkeypatch_vobject_performance()
    monkeypatch_pillow_safer()
+    monkeypatch_requests_timeout()
@@ -164,9 +164,9 @@ def resize_image(image, size):
    return image


-def create_thumbnail(sourcename, size):
+def create_thumbnail(sourcename, size, formats=None):
    source = default_storage.open(sourcename)
-    image = Image.open(BytesIO(source.read()), formats=settings.PILLOW_FORMATS_QUESTIONS_IMAGE)
+    image = Image.open(BytesIO(source.read()), formats=formats or settings.PILLOW_FORMATS_QUESTIONS_IMAGE)
    try:
        image.load()
    except:
@@ -208,9 +208,9 @@ def create_thumbnail(sourcename, size):
    return t


-def get_thumbnail(source, size):
+def get_thumbnail(source, size, formats=None):
    # Assumes files are immutable
    try:
        return Thumbnail.objects.get(source=source, size=size)
    except Thumbnail.DoesNotExist:
-        return create_thumbnail(source, size)
+        return create_thumbnail(source, size, formats=formats)
--- a/Show More
+++ b/Show More