2015-09-20 00:34:58 +00:00
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=============================================
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Django 1.10 release notes - UNDER DEVELOPMENT
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=============================================
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Welcome to Django 1.10!
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These release notes cover the `new features`_, as well as some `backwards
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incompatible changes`_ you'll want to be aware of when upgrading from Django
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1.9 or older versions. We've :ref:`dropped some features<removed-features-1.10>`
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that have reached the end of their deprecation cycle, and we've `begun the
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deprecation process for some features`_.
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.. _`new features`: `What's new in Django 1.10`_
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.. _`backwards incompatible changes`: `Backwards incompatible changes in 1.10`_
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.. _`dropped some features`: `Features removed in 1.10`_
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.. _`begun the deprecation process for some features`: `Features deprecated in 1.10`_
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Python compatibility
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====================
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Like Django 1.9, Django 1.10 requires Python 2.7, 3.4, or 3.5. We **highly
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recommend** and only officially support the latest release of each series.
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What's new in Django 1.10
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=========================
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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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2015-10-13 06:52:49 +00:00
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* For sites running on a subpath, the default :attr:`URL for the "View site"
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link <django.contrib.admin.AdminSite.site_url>` at the top of each admin page
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will now point to ``request.META['SCRIPT_NAME']`` if set, instead of ``/``.
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2015-09-20 00:34:58 +00:00
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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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2015-09-20 00:42:44 +00:00
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* The default iteration count for the PBKDF2 password hasher has been increased
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by 25%. This backwards compatible change will not affect users who have
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subclassed ``django.contrib.auth.hashers.PBKDF2PasswordHasher`` to change the
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default value.
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2015-09-20 00:34:58 +00:00
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2015-10-01 19:52:18 +00:00
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* The :func:`~django.contrib.auth.views.logout` view sends "no-cache" headers
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to prevent an issue where Safari caches redirects and prevents a user from
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being able to log out.
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2015-09-20 00:34:58 +00:00
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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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2015-10-06 20:05:53 +00:00
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* :ref:`Distance lookups <distance-lookups>` now accept expressions as the
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distance value parameter.
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2015-09-20 00:34:58 +00:00
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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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2015-03-23 11:52:17 +00:00
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* The :djadmin:`clearsessions` management command now removes file-based
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sessions.
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2015-09-20 00:34:58 +00:00
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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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* ...
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Cache
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^^^^^
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2015-10-08 06:05:01 +00:00
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* The file-based cache backend now uses the highest pickling protocol.
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2015-09-20 00:34:58 +00:00
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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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Email
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^^^^^
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* ...
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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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* ...
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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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Management Commands
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^^^^^^^^^^^^^^^^^^^
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2015-10-04 18:16:12 +00:00
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* The new :djadminopt:`--fail-level` option of the :djadmin:`check` command
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allows specifying the message level that will cause the command to exit with
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a non-zero status.
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2015-09-20 00:34:58 +00:00
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2015-10-21 00:39:48 +00:00
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* The new :djadminopt:`makemigrations --check <--check>` option makes the
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command exit with a non-zero status when model changes without migrations are
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detected.
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2015-09-20 00:34:58 +00:00
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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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2015-10-01 18:57:58 +00:00
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* Reverse foreign keys from proxy models are now propagated to their
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concrete class. The reverse relation attached by a
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:class:`~django.db.models.ForeignKey` pointing to a proxy model is now
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accessible as a descriptor on the proxied model class and may be referenced in
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queryset filtering.
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2015-09-20 00:34:58 +00:00
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Requests and Responses
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^^^^^^^^^^^^^^^^^^^^^^
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2015-10-02 14:44:35 +00:00
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* Added ``request.user`` to the debug view.
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2015-09-20 00:34:58 +00:00
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2015-10-20 21:23:58 +00:00
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* Added :class:`~django.http.HttpResponse` methods
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:meth:`~django.http.HttpResponse.readable()` and
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:meth:`~django.http.HttpResponse.seekable()` to make an instance a
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stream-like object and allow wrapping it with :py:class:`io.TextIOWrapper`.
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2015-09-26 18:15:26 +00:00
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Serialization
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^^^^^^^^^^^^^
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* The ``django.core.serializers.json.DjangoJSONEncoder`` now knows how to
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serialize lazy strings, typically used for translatable content.
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2015-09-20 00:34:58 +00:00
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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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* ...
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URLs
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^^^^
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2015-10-23 19:02:34 +00:00
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* An addition in :func:`django.setup()` allows URL resolving that happens
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outside of the request/response cycle (e.g. in management commands and
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standalone scripts) to take :setting:`FORCE_SCRIPT_NAME` into account when it
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is set.
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2015-09-20 00:34:58 +00:00
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Validators
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^^^^^^^^^^
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* ...
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Backwards incompatible changes in 1.10
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======================================
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.. warning::
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In addition to the changes outlined in this section, be sure to review the
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:ref:`removed-features-1.10` for the features that have reached the end of
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their deprecation cycle and therefore been removed. If you haven't updated
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your code within the deprecation timeline for a given feature, its removal
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may appear as a backwards incompatible change.
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Database backend API
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~~~~~~~~~~~~~~~~~~~~
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* ...
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2015-10-10 01:03:04 +00:00
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``select_related()`` prohibits non-relational fields for nested relations
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Django 1.8 added validation for non-relational fields in ``select_related()``::
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>>> Book.objects.select_related('title')
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Traceback (most recent call last):
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...
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FieldError: Non-relational field given in select_related: 'title'
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But it didn't prohibit nested non-relation fields as it does now::
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>>> Book.objects.select_related('author__name')
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Traceback (most recent call last):
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...
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FieldError: Non-relational field given in select_related: 'name'
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2015-10-07 19:29:20 +00:00
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``_meta.get_fields()`` returns consistent reverse fields for proxy models
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Before Django 1.10, the :meth:`~django.db.models.options.Options.get_fields`
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method returned different reverse fields when called on a proxy model compared
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to its proxied concrete class. This inconsistency was fixed by returning the
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full set of fields pointing to a concrete class or one of its proxies in both
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cases.
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2015-10-28 19:59:17 +00:00
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:attr:`AbstractUser.username <django.contrib.auth.models.User.username>` ``max_length`` increased to 254
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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A migration for :attr:`django.contrib.auth.models.User.username` is included.
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If you have a custom user model inheriting from ``AbstractUser``, you'll need
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to generate and apply a database migration for your user model.
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If you want to preserve the 30 character limit for usernames, use a custom form
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when creating a user or changing usernames::
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from django.contrib.auth.forms import UserCreationForm
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class MyUserCreationForm(UserCreationForm):
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username = forms.CharField(
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max_length=30,
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help_text='Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only.',
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)
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If you wish to keep this restriction in the admin, set ``UserAdmin.add_form``
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to use this form::
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from django.contrib.auth.admin import UserAdmin
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from django.contrib.auth.models import User
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class MyUserAdmin(UserAdmin):
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add_form = MyUserCreationForm
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admin.site.unregister(User)
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admin.site.register(User, MyUserAdmin)
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2015-09-20 00:34:58 +00:00
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Miscellaneous
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~~~~~~~~~~~~~
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2015-10-10 01:06:00 +00:00
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* The ``repr()`` of a ``QuerySet`` is wrapped in ``<QuerySet >`` to
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2015-10-05 23:07:34 +00:00
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disambiguate it from a plain list when debugging.
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2015-09-20 00:34:58 +00:00
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2015-10-30 19:04:00 +00:00
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:mod:`django.contrib.gis`
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~~~~~~~~~~~~~~~~~~~~~~~~~
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* Support for SpatiaLite < 3.0 is dropped.
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2015-09-20 00:34:58 +00:00
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.. _deprecated-features-1.10:
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Features deprecated in 1.10
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===========================
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2015-10-08 21:17:10 +00:00
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Direct assignment to a reverse foreign key or many-to-many relation
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Instead of assigning related objects using direct assignment::
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>>> new_list = [obj1, obj2, obj3]
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>>> e.related_set = new_list
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Use the :meth:`~django.db.models.fields.related.RelatedManager.set` method
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added in Django 1.9::
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>>> e.related_set.set([obj1, obj2, obj3])
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This prevents confusion about an assignment resulting in an implicit save.
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2015-09-20 00:34:58 +00:00
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Miscellaneous
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~~~~~~~~~~~~~
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2015-10-21 00:39:48 +00:00
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* The ``makemigrations --exit`` option is deprecated in favor of the
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:djadminopt:`--check` option.
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2015-09-20 00:34:58 +00:00
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.. _removed-features-1.10:
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Features removed in 1.10
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========================
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These features have reached the end of their deprecation cycle and so have been
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removed in Django 1.10 (please see the :ref:`deprecation timeline
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<deprecation-removed-in-1.10>` for more details):
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* Support for calling a ``SQLCompiler`` directly as an alias for calling its
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``quote_name_unless_alias`` method is removed.
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* The ``cycle`` and ``firstof`` template tags are removed from the ``future``
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template tag library.
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* ``django.conf.urls.patterns()`` is removed.
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* Support for the ``prefix`` argument to
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``django.conf.urls.i18n.i18n_patterns()`` is removed.
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* ``SimpleTestCase.urls`` is removed.
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* Using an incorrect count of unpacked values in the ``for`` template tag
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raises an exception rather than failing silently.
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* The ability to :func:`~django.core.urlresolvers.reverse` URLs using a dotted
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Python path is removed.
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* Support for ``optparse`` is dropped for custom management commands.
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* The class ``django.core.management.NoArgsCommand`` is removed.
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* ``django.core.context_processors`` module is removed.
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* ``django.db.models.sql.aggregates`` module is removed.
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* ``django.contrib.gis.db.models.sql.aggregates`` module is removed.
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* The following methods and properties of ``django.db.sql.query.Query`` are
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removed:
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* Properties: ``aggregates`` and ``aggregate_select``
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* Methods: ``add_aggregate``, ``set_aggregate_mask``, and
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``append_aggregate_mask``.
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* ``django.template.resolve_variable`` is removed.
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* The following private APIs are removed from
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:class:`django.db.models.options.Options` (``Model._meta``):
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* ``get_field_by_name()``
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* ``get_all_field_names()``
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* ``get_fields_with_model()``
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* ``get_concrete_fields_with_model()``
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* ``get_m2m_with_model()``
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* ``get_all_related_objects()``
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* ``get_all_related_objects_with_model()``
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* ``get_all_related_many_to_many_objects()``
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* ``get_all_related_m2m_objects_with_model()``
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* The ``error_message`` argument of ``django.forms.RegexField`` is removed.
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* The ``unordered_list`` filter no longer supports old style lists.
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* Support for string ``view`` arguments to ``url()`` is removed.
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* The backward compatible shim to rename ``django.forms.Form._has_changed()``
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to ``has_changed()`` is removed.
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* The ``removetags`` template filter is removed.
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* The ``remove_tags()`` and ``strip_entities()`` functions in
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``django.utils.html`` is removed.
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* The ``is_admin_site`` argument to
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``django.contrib.auth.views.password_reset()`` is removed.
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* ``django.db.models.field.subclassing.SubfieldBase`` is removed.
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* ``django.utils.checksums`` is removed.
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* The ``original_content_type_id`` attribute on
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``django.contrib.admin.helpers.InlineAdminForm`` is removed.
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* The backwards compatibility shim to allow ``FormMixin.get_form()`` to be
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defined with no default value for its ``form_class`` argument is removed.
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* The following settings are removed:
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* ``ALLOWED_INCLUDE_ROOTS``
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* ``TEMPLATE_CONTEXT_PROCESSORS``
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* ``TEMPLATE_DEBUG``
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* ``TEMPLATE_DIRS``
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* ``TEMPLATE_LOADERS``
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* ``TEMPLATE_STRING_IF_INVALID``
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* The backwards compatibility alias ``django.template.loader.BaseLoader`` is
|
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removed.
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* Django template objects returned by
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:func:`~django.template.loader.get_template` and
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:func:`~django.template.loader.select_template` no longer accept a
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:class:`~django.template.Context` in their
|
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:meth:`~django.template.backends.base.Template.render()` method.
|
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* :doc:`Template response APIs </ref/template-response>` enforce the use of
|
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|
:class:`dict` and backend-dependent template objects instead of
|
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|
:class:`~django.template.Context` and :class:`~django.template.Template`
|
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|
respectively.
|
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|
|
* The ``current_app`` parameter for the following function and classes is
|
|
|
|
removed:
|
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|
|
* ``django.shortcuts.render()``
|
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|
|
* ``django.template.Context()``
|
|
|
|
* ``django.template.RequestContext()``
|
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|
|
* ``django.template.response.TemplateResponse()``
|
|
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|
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|
|
* The ``dictionary`` and ``context_instance`` parameters for the following
|
|
|
|
functions are removed:
|
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|
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|
|
|
|
* ``django.shortcuts.render()``
|
|
|
|
* ``django.shortcuts.render_to_response()``
|
|
|
|
* ``django.template.loader.render_to_string()``
|
|
|
|
|
|
|
|
* The ``dirs`` parameter for the following functions is removed:
|
|
|
|
|
|
|
|
* ``django.template.loader.get_template()``
|
|
|
|
* ``django.template.loader.select_template()``
|
|
|
|
* ``django.shortcuts.render()``
|
|
|
|
* ``django.shortcuts.render_to_response()``
|
|
|
|
|
|
|
|
* Session verification is enabled regardless of whether or not
|
|
|
|
``'django.contrib.auth.middleware.SessionAuthenticationMiddleware'`` is in
|
2015-09-03 00:50:34 +00:00
|
|
|
``MIDDLEWARE_CLASSES``. ``SessionAuthenticationMiddleware`` no longer has
|
|
|
|
any purpose and can be removed from ``MIDDLEWARE_CLASSES``. It's kept as
|
|
|
|
a stub until Django 2.0 as a courtesy for users who don't read this note.
|
2015-09-20 00:34:58 +00:00
|
|
|
|
|
|
|
* Private attribute ``django.db.models.Field.related`` is removed.
|
|
|
|
|
|
|
|
* The ``--list`` option of the ``migrate`` management command is removed.
|
|
|
|
|
|
|
|
* The ``ssi`` template tag is removed.
|
|
|
|
|
|
|
|
* Support for the ``=`` comparison operator in the ``if`` template tag is
|
|
|
|
removed.
|
|
|
|
|
|
|
|
* The backwards compatibility shims to allow ``Storage.get_available_name()``
|
|
|
|
and ``Storage.save()`` to be defined without a ``max_length`` argument are
|
|
|
|
removed.
|
|
|
|
|
|
|
|
* Support for the legacy ``%(<foo>)s`` syntax in ``ModelFormMixin.success_url``
|
|
|
|
is removed.
|
|
|
|
|
|
|
|
* ``GeoQuerySet`` aggregate methods ``collect()``, ``extent()``, ``extent3d()``,
|
|
|
|
``make_line()``, and ``unionagg()`` are removed.
|
|
|
|
|
|
|
|
* The ability to specify ``ContentType.name`` when creating a content type
|
|
|
|
instance is removed.
|
|
|
|
|
|
|
|
* Support for the old signature of ``allow_migrate`` is removed.
|
|
|
|
|
|
|
|
* Support for the syntax of ``{% cycle %}`` that uses comma-separated arguments
|
|
|
|
is removed.
|
|
|
|
|
|
|
|
* The warning that :class:`~django.core.signing.Signer` issued when given an
|
|
|
|
invalid separator is now a ``ValueError``.
|