mirror of https://github.com/django/django.git
319 lines
7.0 KiB
Plaintext
319 lines
7.0 KiB
Plaintext
============================================
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Django 5.2 release notes - UNDER DEVELOPMENT
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============================================
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*Expected April 2025*
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Welcome to Django 5.2!
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These release notes cover the :ref:`new features <whats-new-5.2>`, as well as
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some :ref:`backwards incompatible changes <backwards-incompatible-5.2>` you
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should be aware of when upgrading from Django 5.1 or earlier. We've
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:ref:`begun the deprecation process for some features
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<deprecated-features-5.2>`.
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See the :doc:`/howto/upgrade-version` guide if you're updating an existing
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project.
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Django 5.2 is designated as a :term:`long-term support release
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<Long-term support release>`. It will receive security updates for at least
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three years after its release. Support for the previous LTS, Django 4.2, will
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end in April 2026.
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Python compatibility
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====================
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Django 5.2 supports Python 3.10, 3.11, 3.12, and 3.13. We **highly recommend**
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and only officially support the latest release of each series.
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.. _whats-new-5.2:
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What's new in Django 5.2
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========================
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Minor features
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--------------
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:mod:`django.contrib.admin`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* The ``admin/base.html`` template now has a new block
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:ref:`extrabody <extrabody>` for adding custom code before the closing
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``</body>`` tag.
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:mod:`django.contrib.admindocs`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.auth`
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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* The default iteration count for the PBKDF2 password hasher is increased from
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870,000 to 1,000,000.
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:mod:`django.contrib.contenttypes`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.gis`
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~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.messages`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.postgres`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.redirects`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.sessions`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.sitemaps`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.sites`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.staticfiles`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* ...
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:mod:`django.contrib.syndication`
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* All :class:`~django.utils.feedgenerator.SyndicationFeed` classes now support
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a ``stylesheets`` attribute. If specified, an ``<? xml-stylesheet ?>``
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processing instruction will be added to the top of the document for each
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stylesheet in the given list. See :ref:`feed-stylesheets` for more details.
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Asynchronous views
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~~~~~~~~~~~~~~~~~~
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* ...
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Cache
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~~~~~
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* ...
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CSRF
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~~~~
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* ...
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Database backends
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~~~~~~~~~~~~~~~~~
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* ...
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Decorators
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~~~~~~~~~~
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* ...
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Email
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~~~~~
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* Tuple items of :class:`EmailMessage.attachments
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<django.core.mail.EmailMessage>` and
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:class:`EmailMultiAlternatives.attachments
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<django.core.mail.EmailMultiAlternatives>` are now named tuples, as opposed
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to regular tuples.
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* :attr:`EmailMultiAlternatives.alternatives
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<django.core.mail.EmailMultiAlternatives.alternatives>` is now a list of
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named tuples, as opposed to regular tuples.
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* The new :meth:`~django.core.mail.EmailMultiAlternatives.body_contains` method
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returns a boolean indicating whether a provided text is contained in the
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email ``body`` and in all attached MIME type ``text/*`` alternatives.
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Error Reporting
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~~~~~~~~~~~~~~~
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* The attribute :attr:`.SafeExceptionReporterFilter.hidden_settings` now
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treats values as sensitive if their name includes ``AUTH``.
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File Storage
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~~~~~~~~~~~~
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* ...
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File Uploads
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~~~~~~~~~~~~
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* ...
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Forms
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~~~~~
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* The new :class:`~django.forms.ColorInput` form widget is for entering a color
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in ``rrggbb`` hexadecimal format and renders as ``<input type="color" ...>``.
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Some browsers support a visual color picker interface for this input type.
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* The new :class:`~django.forms.SearchInput` form widget is for entering search
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queries and renders as ``<input type="search" ...>``.
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* The new :class:`~django.forms.TelInput` form widget is for entering telephone
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numbers and renders as ``<input type="tel" ...>``.
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Generic Views
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~~~~~~~~~~~~~
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* ...
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Internationalization
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~~~~~~~~~~~~~~~~~~~~
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* ...
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Logging
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~~~~~~~
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* ...
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Management Commands
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~~~~~~~~~~~~~~~~~~~
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* A new warning is printed to the console when running :djadmin:`runserver` that
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``runserver`` is unsuitable for production. This warning can be hidden by
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setting the :envvar:`HIDE_PRODUCTION_WARNING` environment variable to
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``"true"``.
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Migrations
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~~~~~~~~~~
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* ...
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Models
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~~~~~~
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* The ``SELECT`` clause generated when using
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:meth:`QuerySet.values()<django.db.models.query.QuerySet.values>` and
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:meth:`~django.db.models.query.QuerySet.values_list` now matches the
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specified order of the referenced expressions. Previously the order was based
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of a set of counterintuitive rules which made query combination through
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methods such as
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:meth:`QuerySet.union()<django.db.models.query.QuerySet.union>` unpredictable.
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* Added support for validation of model constraints which use a
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:class:`~django.db.models.GeneratedField`.
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* The new :attr:`.Expression.set_returning` attribute specifies that the
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expression contains a set-returning function, enforcing subquery evaluation.
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This is necessary for many Postgres set-returning functions.
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Requests and Responses
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~~~~~~~~~~~~~~~~~~~~~~
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* ...
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Security
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~~~~~~~~
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* ...
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Serialization
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~~~~~~~~~~~~~
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* ...
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Signals
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~~~~~~~
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* ...
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Templates
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~~~~~~~~~
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* ...
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Tests
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~~~~~
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* Stack frames from Django's custom assertions are now hidden. This makes test
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failures easier to read and enables :option:`test --pdb` to directly enter
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into the failing test method.
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URLs
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~~~~
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* ...
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Utilities
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~~~~~~~~~
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* :class:`~django.utils.safestring.SafeString` now returns
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:py:data:`NotImplemented` in ``__add__`` for non-string right-hand side
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values. This aligns with the :py:class:`str` addition behavior and allows
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``__radd__`` to be used if available.
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* :func:`~django.utils.html.format_html_join` now supports taking an iterable
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of mappings, passing their contents as keyword arguments to
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:func:`~django.utils.html.format_html`.
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Validators
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~~~~~~~~~~
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* ...
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.. _backwards-incompatible-5.2:
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Backwards incompatible changes in 5.2
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=====================================
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Database backend API
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--------------------
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This section describes changes that may be needed in third-party database
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backends.
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* ...
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:mod:`django.contrib.gis`
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-------------------------
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* Support for PostGIS 3.0 is removed.
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Dropped support for PostgreSQL 13
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---------------------------------
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Upstream support for PostgreSQL 13 ends in November 2025. Django 5.2 supports
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PostgreSQL 14 and higher.
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Miscellaneous
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-------------
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* Adding :attr:`.EmailMultiAlternatives.alternatives` is now only supported via
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the :meth:`~.EmailMultiAlternatives.attach_alternative` method.
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.. _deprecated-features-5.2:
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Features deprecated in 5.2
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==========================
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Miscellaneous
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-------------
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* The ``all`` argument for the ``django.contrib.staticfiles.finders.find()``
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function is deprecated in favor of the ``find_all`` argument.
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