========================== Django 5.0.8 release notes ========================== *August 6, 2024* Django 5.0.8 fixes three security issues with severity "moderate", one security issue with severity "high", and several bugs in 5.0.7. Bugfixes ======== * Added missing validation for ``UniqueConstraint(nulls_distinct=False)`` when using ``*expressions`` (:ticket:`35594`). * Fixed a regression in Django 5.0 where ``ModelAdmin.action_checkbox`` could break the admin changelist HTML page when rendering a model instance with a ``__html__`` method (:ticket:`35606`). * Fixed a crash when creating a model with a ``Field.db_default`` and a ``Meta.constraints`` constraint composed of ``__endswith``, ``__startswith``, or ``__contains`` lookups (:ticket:`35625`). * Fixed a regression in Django 5.0.7 that caused a crash in ``LocaleMiddleware`` when processing a language code over 500 characters (:ticket:`35627`). * Fixed a bug in Django 5.0 that caused a system check crash when ``ModelAdmin.date_hierarchy`` was a ``GeneratedField`` with an ``output_field`` of ``DateField`` or ``DateTimeField`` (:ticket:`35628`). * Fixed a bug in Django 5.0 which caused constraint validation to either crash or incorrectly raise validation errors for constraints referring to fields using ``Field.db_default`` (:ticket:`35638`).