233 lines
9.7 KiB
Plaintext
233 lines
9.7 KiB
Plaintext
===========================
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Django Deprecation Timeline
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===========================
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This document outlines when various pieces of Django will be removed or altered
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in a backward incompatible way, following their deprecation, as per the
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:ref:`deprecation policy <internal-release-deprecation-policy>`. More details
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about each item can often be found in the release notes of two versions prior.
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1.6
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---
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See the :doc:`Django 1.4 release notes</releases/1.4>` for more details on
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these changes.
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* ``django.contrib.databrowse`` will be removed.
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* ``django.contrib.localflavor`` will be removed following an accelerated
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deprecation.
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* ``django.contrib.markup`` will be removed following an accelerated
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deprecation.
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* The compatibility modules ``django.utils.copycompat`` and
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``django.utils.hashcompat`` as well as the functions
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``django.utils.itercompat.all`` and ``django.utils.itercompat.any`` will
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be removed. The Python builtin versions should be used instead.
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* The ``csrf_response_exempt`` and ``csrf_view_exempt`` decorators will
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be removed. Since 1.4 ``csrf_response_exempt`` has been a no-op (it
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returns the same function), and ``csrf_view_exempt`` has been a
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synonym for ``django.views.decorators.csrf.csrf_exempt``, which should
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be used to replace it.
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* The ``django.core.cache.backends.memcached.CacheClass`` backend
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was split into two in Django 1.3 in order to introduce support for
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PyLibMC. The historical ``CacheClass`` will be removed in favor of
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``django.core.cache.backends.memcached.MemcachedCache``.
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* The UK-prefixed objects of ``django.contrib.localflavor.uk`` will only
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be accessible through their GB-prefixed names (GB is the correct
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ISO 3166 code for United Kingdom).
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* The ``IGNORABLE_404_STARTS`` and ``IGNORABLE_404_ENDS`` settings have been
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superseded by :setting:`IGNORABLE_404_URLS` in the 1.4 release. They will be
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removed.
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* The :doc:`form wizard </ref/contrib/formtools/form-wizard>` has been
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refactored to use class-based views with pluggable backends in 1.4.
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The previous implementation will be removed.
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* Legacy ways of calling
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:func:`~django.views.decorators.cache.cache_page` will be removed.
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* The backward-compatibility shim to automatically add a debug-false
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filter to the ``'mail_admins'`` logging handler will be removed. The
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:setting:`LOGGING` setting should include this filter explicitly if
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it is desired.
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* The builtin truncation functions ``django.utils.text.truncate_words()``
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and ``django.utils.text.truncate_html_words()`` will be removed in
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favor of the ``django.utils.text.Truncator`` class.
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* The :class:`~django.contrib.gis.geoip.GeoIP` class was moved to
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:mod:`django.contrib.gis.geoip` in 1.4 -- the shortcut in
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:mod:`django.contrib.gis.utils` will be removed.
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* ``django.conf.urls.defaults`` will be removed. The functions
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:func:`~django.conf.urls.include`, :func:`~django.conf.urls.patterns` and
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:func:`~django.conf.urls.url` plus :data:`~django.conf.urls.handler404`,
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:data:`~django.conf.urls.handler500`, are now available through
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:mod:`django.conf.urls` .
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* The functions ``setup_environ()`` and ``execute_manager()`` will be removed
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from :mod:`django.core.management`. This also means that the old (pre-1.4)
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style of :file:`manage.py` file will no longer work.
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* Setting the ``is_safe`` and ``needs_autoescape`` flags as attributes of
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template filter functions will no longer be supported.
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* The attribute ``HttpRequest.raw_post_data`` was renamed to ``HttpRequest.body``
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in 1.4. The backward compatibility will be removed --
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``HttpRequest.raw_post_data`` will no longer work.
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* The value for the ``post_url_continue`` parameter in
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``ModelAdmin.response_add()`` will have to be either ``None`` (to redirect
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to the newly created object's edit page) or a pre-formatted url. String
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formats, such as the previous default ``'../%s/'``, will not be accepted any
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more.
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1.7
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---
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See the :doc:`Django 1.5 release notes</releases/1.5>` for more details on
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these changes.
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* The module ``django.utils.simplejson`` will be removed. The standard library
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provides :mod:`json` which should be used instead.
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* The function ``django.utils.itercompat.product`` will be removed. The Python
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builtin version should be used instead.
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* Auto-correction of INSTALLED_APPS and TEMPLATE_DIRS settings when they are
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specified as a plain string instead of a tuple will be removed and raise an
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exception.
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* The ``mimetype`` argument to the ``__init__`` methods of
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:class:`~django.http.HttpResponse`,
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:class:`~django.template.response.SimpleTemplateResponse`, and
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:class:`~django.template.response.TemplateResponse`, will be removed.
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``content_type`` should be used instead. This also applies to the
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:func:`~django.shortcuts.render_to_response` shortcut and
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the sitemamp views, :func:`~django.contrib.sitemaps.views.index` and
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:func:`~django.contrib.sitemaps.views.sitemap`.
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* When :class:`~django.http.HttpResponse` is instantiated with an iterator,
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or when :attr:`~django.http.HttpResponse.content` is set to an iterator,
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that iterator will be immediately consumed.
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* The ``AUTH_PROFILE_MODULE`` setting, and the ``get_profile()`` method on
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the User model, will be removed.
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* The ``cleanup`` management command will be removed. It's replaced by
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``clearsessions``.
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* The ``daily_cleanup.py`` script will be removed.
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* The ``depth`` keyword argument will be removed from
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:meth:`~django.db.models.query.QuerySet.select_related`.
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* The undocumented ``get_warnings_state()``/``restore_warnings_state()``
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functions from :mod:`django.test.utils` and the ``save_warnings_state()``/
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``restore_warnings_state()``
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:ref:`django.test.*TestCase <django-testcase-subclasses>` methods are
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deprecated. Use the :class:`warnings.catch_warnings` context manager
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available starting with Python 2.6 instead.
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* The undocumented ``check_for_test_cookie`` method in
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:class:`~django.contrib.auth.forms.AuthenticationForm` will be removed
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following an accelerated deprecation. Users subclassing this form should
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remove calls to this method, and instead ensure that their auth related views
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are CSRF protected, which ensures that cookies are enabled.
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* The version of :func:`django.contrib.auth.views.password_reset_confirm` that
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supports base36 encoded user IDs
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(``django.contrib.auth.views.password_reset_confirm_uidb36``) will be
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removed. If your site has been running Django 1.6 for more than
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:setting:`PASSWORD_RESET_TIMEOUT_DAYS`, this change will have no effect. If
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not, then any password reset links generated before you upgrade to Django 1.7
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won't work after the upgrade.
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1.8
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---
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* ``django.contrib.comments`` will be removed.
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* The following transaction management APIs will be removed:
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- ``TransactionMiddleware``,
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- the decorators and context managers ``autocommit``, ``commit_on_success``,
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and ``commit_manually``, defined in ``django.db.transaction``,
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- the functions ``commit_unless_managed`` and ``rollback_unless_managed``,
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also defined in ``django.db.transaction``,
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- the ``TRANSACTIONS_MANAGED`` setting.
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Upgrade paths are described in the :ref:`transaction management docs
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<transactions-upgrading-from-1.5>`.
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* The :ttag:`cycle` and :ttag:`firstof` template tags will auto-escape their
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arguments. In 1.6 and 1.7, this behavior is provided by the version of these
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tags in the ``future`` template tag library.
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* The ``SEND_BROKEN_LINK_EMAILS`` setting will be removed. Add the
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:class:`django.middleware.common.BrokenLinkEmailsMiddleware` middleware to
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your :setting:`MIDDLEWARE_CLASSES` setting instead.
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* ``Model._meta.module_name`` was renamed to ``model_name``.
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* Remove the backward compatible shims introduced to rename ``get_query_set``
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and similar queryset methods. This affects the following classes:
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``BaseModelAdmin``, ``ChangeList``, ``BaseCommentNode``,
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``GenericForeignKey``, ``Manager``, ``SingleRelatedObjectDescriptor`` and
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``ReverseSingleRelatedObjectDescriptor``.
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* Remove the backward compatible shims introduced to rename the attributes
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``ChangeList.root_query_set`` and ``ChangeList.query_set``.
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* ``django.views.defaults.shortcut`` will be removed, as part of the
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goal of removing all ``django.contrib`` references from the core
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Django codebase. Instead use
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``django.contrib.contenttypes.views.shortcut``. ``django.conf.urls.shortcut``
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will also be removed.
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* Support for the Python Imaging Library (PIL) module will be removed, as it
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no longer appears to be actively maintained & does not work on Python 3.
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You are advised to install `Pillow`_, which should be used instead.
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.. _`Pillow`: https://pypi.python.org/pypi/Pillow
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* The following private APIs will be removed:
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- ``django.db.backend``
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- ``django.db.close_connection()``
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- ``django.db.backends.creation.BaseDatabaseCreation.set_autocommit()``
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- ``django.db.transaction.is_managed()``
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- ``django.db.transaction.managed()``
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* ``django.forms.widgets.RadioInput`` will be removed in favor of
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``django.forms.widgets.RadioChoiceInput``.
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* The module ``django.test.simple`` and the class
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``django.test.simple.DjangoTestSuiteRunner`` will be removed. Instead use
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``django.test.runner.DiscoverRunner``.
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* The module ``django.test._doctest`` will be removed. Instead use the doctest
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module from the Python standard library.
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* The ``CACHE_MIDDLEWARE_ANONYMOUS_ONLY`` setting will be removed.
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* Usage of the hard-coded *Hold down "Control", or "Command" on a Mac, to select
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more than one.* string to override or append to user-provided ``help_text`` in
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forms for ManyToMany model fields will not be performed by Django anymore
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either at the model or forms layer.
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* The ``Model._meta.get_(add|change|delete)_permission`` methods will
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be removed.
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2.0
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---
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* ``ssi`` and ``url`` template tags will be removed from the ``future`` template
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tag library (used during the 1.3/1.4 deprecation period).
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