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Django 5.0 release notes - UNDER DEVELOPMENT

Expected December 2023

Welcome to Django 5.0!

These release notes cover the new features, as well as some backwards incompatible changes you’ll want to be aware of when upgrading from Django 4.2 or earlier. We’ve begun the deprecation process for some features.

See the How to upgrade Django to a newer version guide if you’re updating an existing project.

Python compatibility

Django 5.0 supports Python 3.10, 3.11, and 3.12. We highly recommend and only officially support the latest release of each series.

The Django 4.2.x series is the last to support Python 3.8 and 3.9.

Third-party library support for older version of Django

Following the release of Django 5.0, we suggest that third-party app authors drop support for all versions of Django prior to 4.2. At that time, you should be able to run your package’s tests using python -Wd so that deprecation warnings appear. After making the deprecation warning fixes, your app should be compatible with Django 5.0.

What’s new in Django 5.0

Minor features

django.contrib.auth

  • The default iteration count for the PBKDF2 password hasher is increased from 480,000 to 580,000.

django.contrib.gis

  • The new ClosestPoint() function returns a 2-dimensional point on the geometry that is closest to another geometry.

Cache

CSRF

Decorators

Email

Error Reporting

File Storage

File Uploads

Forms

Generic Views

Internationalization

Logging

Management Commands

Migrations

Models

Requests and Responses

Security

Serialization

Signals

Templates

Tests

URLs

Utilities

Validators

Backwards incompatible changes in 5.0

Database backend API

This section describes changes that may be needed in third-party database backends.

Miscellaneous

Features deprecated in 5.0

Miscellaneous

  • The DjangoDivFormRenderer and Jinja2DivFormRenderer transitional form renderers are deprecated.

Features removed in 5.0

These features have reached the end of their deprecation cycle and are removed in Django 5.0.

See Features deprecated in 4.0 for details on these changes, including how to remove usage of these features.

  • The SERIALIZE test setting is removed.
  • The undocumented django.utils.baseconv module is removed.
  • The undocumented django.utils.datetime_safe module is removed.
  • The default value of the USE_TZ setting is changed from False to True.
  • The default sitemap protocol for sitemaps built outside the context of a request is changed from 'http' to 'https'.
  • The extra_tests argument for DiscoverRunner.build_suite() and DiscoverRunner.run_tests() is removed.
  • The django.contrib.postgres.aggregates.ArrayAgg, JSONBAgg, and StringAgg aggregates no longer return [], [], and '', respectively, when there are no rows.
  • The USE_L10N setting is removed.
  • The USE_DEPRECATED_PYTZ transitional setting is removed.
  • Support for pytz timezones is removed.
  • The is_dst argument is removed from:
    • QuerySet.datetimes()
    • django.utils.timezone.make_aware()
    • django.db.models.functions.Trunc()
    • django.db.models.functions.TruncSecond()
    • django.db.models.functions.TruncMinute()
    • django.db.models.functions.TruncHour()
    • django.db.models.functions.TruncDay()
    • django.db.models.functions.TruncWeek()
    • django.db.models.functions.TruncMonth()
    • django.db.models.functions.TruncQuarter()
    • django.db.models.functions.TruncYear()
  • The django.contrib.gis.admin.GeoModelAdmin and OSMGeoAdmin classes are removed.
  • The undocumented BaseForm._html_output() method is removed.
  • The ability to return a str, rather than a SafeString, when rendering an ErrorDict and ErrorList is removed.

See Features deprecated in 4.1 for details on these changes, including how to remove usage of these features.

  • The SitemapIndexItem.__str__() method is removed.
  • The CSRF_COOKIE_MASKED transitional setting is removed.
  • The name argument of django.utils.functional.cached_property() is removed.
  • The opclasses argument of django.contrib.postgres.constraints.ExclusionConstraint is removed.
  • The undocumented ability to pass errors=None to SimpleTestCase.assertFormError() and assertFormsetError() is removed.
  • django.contrib.sessions.serializers.PickleSerializer is removed.
  • The usage of QuerySet.iterator() on a queryset that prefetches related objects without providing the chunk_size argument is no longer allowed.
  • Passing unsaved model instances to related filters is no longer allowed.
  • created=True is required in the signature of RemoteUserBackend.configure_user() subclasses.
  • Support for logging out via GET requests in the django.contrib.auth.views.LogoutView and django.contrib.auth.views.logout_then_login() is removed.
  • The django.utils.timezone.utc alias to datetime.timezone.utc is removed.
  • Passing a response object and a form/formset name to SimpleTestCase.assertFormError() and assertFormSetError() is no longer allowed.
  • The django.contrib.gis.admin.OpenLayersWidget is removed.
  • The django.contrib.auth.hashers.CryptPasswordHasher is removed.
  • The "django/forms/default.html" and "django/forms/formsets/default.html" templates are removed.
  • The default form and formset rendering style is changed to the div-based.
  • Passing nulls_first=False or nulls_last=False to Expression.asc() and Expression.desc() methods, and the OrderBy expression is no longer allowed.
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