set the _required attribute on the ModelMultipleChoiceField

setting _required forces the CheckoutFieldRenderer to add the "required" bit to the label.
We only need to remove it from the widget attrs to avoid the html input field validation that would force us to check every single box

src/pretix/base/forms/questions.py

@@ -1497,8 +1497,7 @@ class BaseInvoiceAddressForm(forms.ModelForm):
             pass  # Skip re-validation if it is validated
         elif self.validate_vat_id and vat_id_applicable:
             try:
-                requester_id = self.request.event.settings.invoice_address_from_vat_id
-                normalized_id = validate_vat_id(data.get('vat_id'), str(data.get('country')), requester_id)
+                normalized_id = validate_vat_id(data.get('vat_id'), str(data.get('country')))
                 self.instance.vat_id_validated = bool(normalized_id)
                 self.instance.vat_id = data['vat_id'] = normalized_id
             except VATIDFinalError as e:

src/pretix/base/services/tax.py

@@ -343,66 +343,6 @@ def _validate_vat_id_EU(vat_id, country_code):
         return vat_id
 
 
-def _validate_vat_id_EU_fallback_germany(vat_id, country_code, requester_id):
-    # We can skip most static validation checks because _validate_vat_id_EU always runs before
-    vat_id = normalize_vat_id(vat_id, country_code)
-
-    # The VIES service of the European commission is overused and down due to rate limits A LOT. There is another
-    # API by German BZSt, but it only works if the requester is German and the requested is not.
-    # https://www.bzst.de/DE/Unternehmen/Identifikationsnummern/Umsatzsteuer-Identifikationsnummer/AuslaendischeUSt-IdNr/auslaendische_ust_idnr_node.html
-    try:
-        r = requests.post(
-            "https://api.evatr.vies.bzst.de/app/v1/abfrage",
-            json={
-                "anfragendeUstid": requester_id,
-                "angefragteUstid": vat_id,
-            },
-            timeout=10,
-        )
-        d = r.json()
-        if r.status_code == 200:
-            if d['status'] in ('evatr-0000', 'evatr-2008'):
-                # evatr-0000: Die angefragte Ust-IdNr. ist zum Anfragezeitpunkt gültig.
-                # evatr-2008: Die angefragte Ust-IdNr. ist zum Anfragezeitpunkt gültig.
-                #             Für die qualifizierte Bestätigungsanfrage liegt einer Besonderheit vor.
-                #             Für Rückfragen wenden Sie sich an das BZSt.
-                return vat_id
-            # evatr-2002: Die angefragte USt-IdNr. ist zum Anfragezeitpunkt nicht gültig.
-            #             Sie ist erst gültig ab dem Datum im Feld gueltigAb.
-            # evatr-2006: Die angefragte Ust-IdNr. ist zum Anfragezeitpunkt nicht gültig.
-            #             Sie war gültig im Zeitraum, der durch die Werte in den Feldern gueltigAb und gueltigBis beschrieben ist.
-            raise VATIDFinalError(error_messages['invalid'])
-        elif r.status_code == 400:
-            if d['status'] in ('evatr-0002', 'evatr-0004', 'evatr-0008'):
-                # evatr-0002: Mindestens eins der Pflichtfelder ist nicht besetzt.
-                # evatr-0004: Die anfragende DE Ust-IdNr. ist syntaktisch falsch. Sie passt nicht in das deutsche Erzeugungsschema.
-                # evatr-0008: Die maximale Anzahl von qualifizierten Bestätigungsabfragen für diese Session wurde erreicht.
-                #             Bitte starten Sie erneut mit einer einfachen Bestätigungsabfrage.
-                raise VATIDTemporaryError(error_messages['unavailable'])
-            # evatr-0005: Die angegebene angefragte Ust-IdNr. ist syntaktisch falsch.
-            # evatr-0012: Die angefrage USt-IdNr. ist syntaktisch falsch. Sie passt nicht in das Erzeugungsschema.
-            # evatr-2003: Das angegebene Länderkennzeichen der angefragten USt-IdNr. ist nicht gültig.
-            raise VATIDFinalError(error_messages['invalid'])
-        elif r.status_code == 403:
-            # evatr-0006: Die anfragende DE USt-IdNr. ist nicht berechtigt eine DE Ust-IdNr. anzufragen.
-            # evatr-0007: Fehlerhafter Aufruf.
-            raise VATIDTemporaryError(error_messages['unavailable'])
-        elif r.status_code == 404:
-            if d['status'] in ('evatr-2005'):
-                # evatr-2005: Die angegebene eigene DE Ust-IdNr. ist zum Anfragezeitpunkt nicht gültig.
-                raise VATIDTemporaryError(error_messages['unavailable'])
-            # evatr-2001: Die angefragte USt-IdNr. ist zum Anfragezeitpunkt nicht vergeben.
-            raise VATIDFinalError(error_messages['invalid'])
-        else:  # 500, 503
-            raise VATIDTemporaryError(error_messages['unavailable'])
-    except requests.RequestException:
-        logger.exception('VAT ID checking failed for country {}'.format(country_code))
-        raise VATIDTemporaryError(error_messages['unavailable'])
-    except ValueError:  # JSON parsing failed
-        logger.exception('VAT ID checking failed for country {}'.format(country_code))
-        raise VATIDTemporaryError(error_messages['unavailable'])
-
-
 def _validate_vat_id_CH(vat_id, country_code):
     if vat_id[:3] != 'CHE':
         raise VATIDFinalError(error_messages['country_mismatch'])
@@ -454,18 +394,12 @@ def _validate_vat_id_CH(vat_id, country_code):
         return vat_id
 
 
-def validate_vat_id(vat_id, country_code, requester_id=None):
+def validate_vat_id(vat_id, country_code):
     if not vat_id:
         return vat_id
     country_code = str(country_code)
     if is_eu_country(country_code):
-        try:
-            return _validate_vat_id_EU(vat_id, country_code)
-        except VATIDTemporaryError:
-            if requester_id and requester_id.startswith("DE") and not vat_id.startswith("DE"):
-                return _validate_vat_id_EU_fallback_germany(vat_id, country_code, requester_id)
-            else:
-                raise
+        return _validate_vat_id_EU(vat_id, country_code)
     elif country_code == 'CH':
         return _validate_vat_id_CH(vat_id, country_code)
     elif country_code == 'NO':

src/pretix/base/settings.py

@@ -1930,6 +1930,8 @@ DEFAULTS = {
         'serializer_class': serializers.BooleanField,
         'form_kwargs': dict(
             label=_("Hide all unavailable dates from calendar or list views"),
+            help_text=_("This option currently only affects the calendar of this event series, not the organizer-wide "
+                        "calendar.")
         )
     },
     'event_calendar_future_only': {

src/pretix/control/views/orders.py

@@ -1646,8 +1646,7 @@ class OrderCheckVATID(OrderView):
                 return redirect(self.get_order_url())
 
             try:
-                requester_id = self.request.event.settings.invoice_address_from_vat_id
-                normalized_id = validate_vat_id(ia.vat_id, str(ia.country), requester_id)
+                normalized_id = validate_vat_id(ia.vat_id, str(ia.country))
                 with transaction.atomic():
                     ia.vat_id_validated = True
                     ia.vat_id = normalized_id

src/pretix/plugins/reports/exporters.py

@@ -55,8 +55,6 @@ from django_countries.fields import Country
 from reportlab.lib import colors
 from reportlab.lib.enums import TA_CENTER
 from reportlab.lib.units import mm
-from reportlab.lib.utils import simpleSplit
-from reportlab.pdfbase.pdfmetrics import stringWidth
 from reportlab.pdfgen.canvas import Canvas
 from reportlab.platypus import PageBreak, Spacer, Table, TableStyle
 
@@ -228,20 +226,10 @@ class ReportlabExportMixin:
     def page_header(self, canvas, doc):
         from reportlab.lib.units import mm
 
-        font_name = 'OpenSans'
-        font_size = 10
-        left_string = self.get_left_header_string()
-        right_string = self.get_right_header_string()
-        right_width = stringWidth(right_string, font_name, font_size)
-        max_left_width = self.pagesize[0] - doc.leftMargin - doc.rightMargin - right_width - 5 * mm
-        left_string_lines = simpleSplit(left_string, font_name, font_size, max_left_width)
-        if len(left_string_lines) > 1:
-            left_string = left_string_lines[0] + " …"
-
-        canvas.setFont(font_name, font_size)
-        canvas.drawString(doc.leftMargin, self.pagesize[1] - 15 * mm, left_string)
+        canvas.setFont('OpenSans', 10)
+        canvas.drawString(doc.leftMargin, self.pagesize[1] - 15 * mm, self.get_left_header_string())
         canvas.drawRightString(self.pagesize[0] - doc.rightMargin, self.pagesize[1] - 15 * mm,
-                               right_string)
+                               self.get_right_header_string())
         canvas.setStrokeColorRGB(0, 0, 0)
         canvas.line(doc.leftMargin, self.pagesize[1] - 17 * mm,
                     self.pagesize[0] - doc.rightMargin, self.pagesize[1] - 17 * mm)

src/pretix/presale/views/event.py

@@ -79,7 +79,7 @@ from pretix.presale.signals import seatingframe_html_head
 from pretix.presale.views.organizer import (
     EventListMixin, add_subevents_for_days, days_for_template,
     filter_qs_by_attr, filter_subevents_with_plugins, has_before_after,
-    should_hide_subevent, weeks_for_template,
+    weeks_for_template,
 )
 
 from . import (
@@ -443,10 +443,12 @@ class EventIndex(EventViewMixin, EventListMixin, CartMixin, TemplateView):
                 )
             )
             subevents = filter_subevents_with_plugins(list(subevents), self.request.sales_channel)
-            context['subevent_list'] = [
-                se for se in subevents
-                if not should_hide_subevent(self.request.event.settings, se, voucher)
-            ]
+            context['subevent_list'] = subevents
+            if self.request.event.settings.event_list_available_only and not voucher:
+                context['subevent_list'] = [
+                    se for se in subevents
+                    if not se.presale_has_ended and (se.best_availability_state is None or se.best_availability_state >= Quota.AVAILABILITY_RESERVED)
+                ]
             context['visible_events'] = len(subevents) > 0
         return context
 

src/pretix/presale/views/organizer.py

@@ -601,32 +601,6 @@ def filter_subevents_with_plugins(subevents, sales_channel=None):
     return subevents
 
 
-def should_hide_subevent(settings, subevent, voucher=None):
-    hide = False
-    if settings.event_list_available_only:
-        hide = (
-            # Presale is over → the subevent is not available → hide
-            subevent.presale_has_ended or
-            # Not a single product is available on this sales channel → hide
-            # Note that means there could be products which are ignored for calendar availability (Quota.ignore_for_event_availability)
-            # or products only visible with a voucher. However, for customers with these scenarios, the event_list_available_only
-            # makes only very little sense as it would never do anything, so the flag can just be removed -- or the products should
-            # be made visible so people know why there are no products. In case a voucher is already entered on the calendar view,
-            # this is already respected and subevents are shown correctly.
-            subevent.best_availability_state is None or
-            (
-                # Sold out → hide, unless we have a voucher active that can bypass all quotas
-                (not voucher or not voucher.allow_ignore_quota) and
-                subevent.best_availability_state < Quota.AVAILABILITY_RESERVED
-            )
-        )
-
-    if settings.event_calendar_future_only:
-        if (subevent.date_to or subevent.date_from) < time_machine_now():
-            hide = True
-    return hide
-
-
 def add_subevents_for_days(qs, before, after, ebd, timezones, sales_channel, event=None, cart_namespace=None,
                            voucher=None):
     qs = qs.filter(active=True, is_public=True).filter(
@@ -666,8 +640,19 @@ def add_subevents_for_days(qs, before, after, ebd, timezones, sales_channel, eve
             kwargs['cart_namespace'] = cart_namespace
 
         s = event.settings if event else se.event.settings
-        if should_hide_subevent(s, se, voucher):
-            continue
+
+        if s.event_list_available_only:
+            hide = se.presale_has_ended or (
+                (not voucher or not voucher.allow_ignore_quota) and
+                se.best_availability_state is not None and
+                se.best_availability_state < Quota.AVAILABILITY_RESERVED
+            )
+            if hide:
+                continue
+
+        if s.event_calendar_future_only:
+            if (se.date_to or se.date_from) < time_machine_now():
+                continue
 
         timezones.add(s.timezone)
         tz = ZoneInfo(s.timezone)

src/pretix/presale/views/widget.py

@@ -75,7 +75,7 @@ from pretix.presale.views.cart import get_or_create_cart_id
 from pretix.presale.views.organizer import (
     EventListMixin, add_events_for_days, add_subevents_for_days,
     days_for_template, filter_qs_by_attr, filter_subevents_with_plugins,
-    should_hide_subevent, weeks_for_template,
+    weeks_for_template,
 )
 
 logger = logging.getLogger(__name__)
@@ -757,10 +757,14 @@ class WidgetAPIProductList(EventListMixin, View):
                         evs = evs[:limit]
 
                 tz = request.event.timezone
-                evs = [
-                    se for se in evs
-                    if not should_hide_subevent(self.request.event.settings, se)
-                ]
+                if self.request.event.settings.event_list_available_only:
+                    evs = [
+                        se for se in evs
+                        if not se.presale_has_ended and (
+                            se.best_availability_state is not None and
+                            se.best_availability_state >= Quota.AVAILABILITY_RESERVED
+                        )
+                    ]
 
                 data['events'] = [
                     {