pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
   "Django[argon2]==4.2.*,>=4.2.26",
   "django-bootstrap3==25.2",
   "django-compressor==4.5.1",
-  "django-countries==7.6.*",
+  "django-countries==8.2.*",
   "django-filter==25.1",
   "django-formset-js-improved==0.5.0.4",
   "django-formtools==2.5.1",

src/pretix/helpers/countries.py

@@ -40,6 +40,10 @@ class CachedCountries(Countries):
         django-countries performs a unicode-aware sorting based on pyuca which is incredibly
         slow.
         """
+        # Starting in django-countries 8.1, django-countries implemented a similar caching, but only on object level.
+        # We keep our caching for now for the added caching to the cache store. Unfortunately we can't really avoid
+        # the double-caching on object level if we want the caches od be used in a sensible order. We could re-evaluate
+        # and drop this in the future if it ever causes bugs or memory issues.
         cache_key = "countries:all:{}".format(get_language_without_region())
         if self.cache_subkey:
             cache_key += ":" + self.cache_subkey
@@ -84,8 +88,6 @@ class FastCountryField(CountryField):
             *self._check_backend_specific_checks(**kwargs),
             *self._check_validators(),
             *self._check_deprecation_details(),
-            *self._check_multiple(),
-            *self._check_max_length_attribute(**kwargs),
         ]