Updated release process for new release schedule.
This commit is contained in:
Tim Graham
parent
bdb382b2a4
commit
aed437d567
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@ -46,11 +46,11 @@ translating or add a language that isn't yet translated, here's what to do:
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`Transifex User Guide`_.
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Translations from Transifex are only integrated into the Django repository at
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the time of a new major release. We try to update them a second time during one
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of the following minor releases, but that depends on the translation manager's
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availability. So don't miss the string freeze period (between the release
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candidate and the major release) to take the opportunity to complete and fix
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the translations for your language!
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the time of a new :term:`feature release`. We try to update them a second time
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during one of the following :term:`patch release`\s, but that depends on the
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translation manager's availability. So don't miss the string freeze period
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(between the release candidate and the feature release) to take the opportunity
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to complete and fix the translations for your language!
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Formats
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-------
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@ -236,11 +236,11 @@ Finally, there are a couple of updates to Django's documentation to make:
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the "Features deprecated in A.B" heading.
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#) Add an entry in the deprecation timeline (``docs/internals/deprecation.txt``)
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under the ``A.B+2`` version describing what code will be removed.
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under the appropriate version describing what code will be removed.
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Once you have completed these steps, you are finished with the deprecation.
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In each major release, all ``RemovedInDjangoXXWarning``\s matching the new
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version are removed.
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In each :term:`feature release`, all ``RemovedInDjangoXXWarning``\s matching
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the new version are removed.
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JavaScript patches
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------------------
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@ -192,7 +192,7 @@ __ http://sphinx-doc.org/markup/
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To link, use ``:djadminopt:`--traceback```.
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* Links to Trac tickets (typically reserved for minor release notes)::
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* Links to Trac tickets (typically reserved for patch release notes)::
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:ticket:`12345`
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@ -36,8 +36,8 @@ The Git repository includes several `branches`_:
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activity is focused.
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* ``stable/A.B.x`` are the branches where release preparation work happens.
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They are also used for support and bugfix releases which occur as necessary
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after the initial release of a major or minor version.
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They are also used for bugfix and security releases which occur as necessary
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after the initial release of a feature version.
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* ``soc20XX/<project>`` branches were used by students who worked on Django
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during the 2009 and 2010 Google Summer of Code programs.
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@ -84,8 +84,7 @@ coding style and how to generate and submit a patch.
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Other branches
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==============
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Django uses branches to prepare for releases of Django (whether they be
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:term:`major <Major release>` or :term:`minor <Minor release>`).
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Django uses branches to prepare for releases of Django.
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In the past when Django was hosted on Subversion, branches were also used for
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feature development. Now Django is hosted on Git and feature development is
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@ -112,7 +112,7 @@ any time leading up to the actual release:
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#. Double-check that the release notes index has a link to the notes
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for the new release; this will be in ``docs/releases/index.txt``.
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#. If this is a major release, ensure translations from Transifex have been
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#. If this is a feature release, ensure translations from Transifex have been
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integrated. This is typically done by a separate translation's manager
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rather than the releaser, but here are the steps. Provided you have an
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account on Transifex::
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@ -181,9 +181,9 @@ OK, this is the fun part, where we actually push out a release!
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__ https://github.com/django/django/commit/3ef4bbf495cc6c061789132e3d50a8231a89406b
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#. For a major version release, remove the ``UNDER DEVELOPMENT`` header at the
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#. For a feature release, remove the ``UNDER DEVELOPMENT`` header at the
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top of the release notes and add the release date on the next line. For a
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minor release, replace ``*Under Development*`` with the release date. Make
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patch release, replace ``*Under Development*`` with the release date. Make
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this change on all branches where the release notes for a particular version
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are located.
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@ -377,9 +377,9 @@ need to be done by the releaser.
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``docs/fixtures/doc_releases.json`` JSON fixture, so people without access
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to the production DB can still run an up-to-date copy of the docs site.
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#. Create a stub release note for the new major version. Use the stub from the
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previous major version or use the previous major version and delete most of
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the contents leaving only section headings.
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#. Create a stub release note for the new feature version. Use the stub from
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the previous feature release version or copy the contents from the previous
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feature version and delete most of the contents leaving only the headings.
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#. Increase the default PBKDF2 iterations in
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``django.contrib.auth.hashers.PBKDF2PasswordHasher`` by about 20%
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@ -166,7 +166,7 @@ The technical board is an elected group of five committers. They're expected
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to be experienced but there's no formal seniority requirement. Its current
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composition is published :ref:`here <technical-board-list>`.
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A new board is elected after each major release of Django. The election
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A new board is elected after each feature release of Django. The election
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process is managed by a returns officer nominated by the outgoing technical
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board. The election process works as follows:
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@ -11,19 +11,17 @@ Since version 1.0, Django's release numbering works as follows:
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* Versions are numbered in the form ``A.B`` or ``A.B.C``.
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* ``A.B`` is the *major version* number. Each version will be mostly backwards
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compatible with the previous release. Exceptions to this rule will be listed
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in the release notes. When ``B == 9``, the next major release will be
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``A+1.0``. For example, Django 2.0 will follow Django 1.9. There won't be
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anything special about "dot zero" releases.
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* ``A.B`` is the *feature release* version number. Each version will be mostly
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backwards compatible with the previous release. Exceptions to this rule will
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be listed in the release notes.
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* ``C`` is the *minor version* number, which is incremented for bug and
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security fixes. A new minor release will be 100% backwards-compatible with
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the previous minor release. The only exception is when a security or data loss
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issue can't be fixed without breaking backwards-compatibility. If this
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* ``C`` is the *patch release* version number, which is incremented for bugfix
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and security releases. These releases will be 100% backwards-compatible with
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the previous patch release. The only exception is when a security or data
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loss issue can't be fixed without breaking backwards-compatibility. If this
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happens, the release notes will provide detailed upgrade instructions.
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* Before a new major release, we'll make alpha, beta, and release candidate
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* Before a new feature release, we'll make alpha, beta, and release candidate
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releases. These are of the form ``A.B alpha/beta/rc N``, which means the
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``Nth`` alpha/beta/release candidate of version ``A.B``.
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@ -37,39 +35,84 @@ security purposes, please see :doc:`our security policies <security>`.
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.. glossary::
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Major release
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Major releases (A.B, A.B+1, etc.) will happen roughly every nine months --
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see `release process`_, below for details. These releases will contain new
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Feature release
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Feature releases (A.B, A.B+1, etc.) will happen roughly every eight months
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-- see `release process`_ for details. These releases will contain new
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features, improvements to existing features, and such.
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Patch release
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Patch releases (A.B.C, A.B.C+1, etc.) will be issued as needed, to fix
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bugs and/or security issues.
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These releases will be 100% compatible with the associated feature release,
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unless this is impossible for security reasons or to prevent data loss.
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So the answer to "should I upgrade to the latest patch release?" will always
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be "yes."
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Long-term support release
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Certain feature releases will be designated as long-term support (LTS)
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releases. These releases will get security and data loss fixes applied for
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a guaranteed period of time, typically three years.
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See `the download page`_ for the releases that have been designated for
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long-term support.
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.. _the download page: https://www.djangoproject.com/download/
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Release cadence
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===============
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Starting with Django 2.0, version numbers will use a loose form of `semantic
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versioning <http://semver.org/>`_ such that each version following an LTS will
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bump to the next "dot zero" version. For example: 2.0, 2.1, 2.2 (LTS), 3.0,
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3.1, 3.2 (LTS), etc.
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SemVer makes it easier to see at a glance how compatible releases are with each
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other. It also helps to anticipate when compatibility shims will be removed.
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It's not a pure form of SemVer as each feature release will continue to have a
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few documented backwards incompatibilities where a deprecation path isn't
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possible or not worth the cost. Also, deprecations started in an LTS release
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(X.2) will be dropped in a non-dot-zero release (Y.1) to accommodate our policy
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of keeping deprecation shims for at least two feature releases. Read on to the
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next section for an example.
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.. _internal-release-deprecation-policy:
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A major release may deprecate certain features from previous releases. If a
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feature is deprecated in version ``A.B``, it will continue to work in versions
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``A.B`` and ``A.B+1`` but raise warnings. It will be removed in version
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``A.B+2``.
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Deprecation policy
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==================
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A feature release may deprecate certain features from previous releases. If a
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feature is deprecated in feature release A.x, it will continue to work in all
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A.x versions (for all versions of x) but raise warnings. Deprecated features
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will be removed in the B.0 release, or B.1 for features deprecated in the last
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A.x feature release to ensure deprecations are done over at least 2 feature
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releases.
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So, for example, if we decided to start the deprecation of a function in
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Django 1.7:
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Django 4.2:
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* Django 1.7 will contain a backwards-compatible replica of the function which
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will raise a ``RemovedInDjango19Warning``. This warning is silent by
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* Django 4.2 will contain a backwards-compatible replica of the function which
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will raise a ``RemovedInDjango51Warning``. This warning is silent by
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default; you can turn on display of these warnings with the ``-Wd`` option
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of Python.
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* Django 1.8 will still contain the backwards-compatible replica. This
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warning becomes *loud* by default, and will likely be quite annoying.
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* Django 5.0 (the version that follows 4.2) will still contain the
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backwards-compatible replica. This warning becomes *loud* by default and
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will likely be quite annoying.
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* Django 1.9 will remove the feature outright.
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* Django 5.1 will remove the feature outright.
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Minor release
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Minor releases (A.B.C, etc.) will be issued as needed, often to fix security
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issues.
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A more generic example:
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These releases will be 100% compatible with the associated major release,
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unless this is impossible for security reasons or to prevent data loss.
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So the answer to "should I upgrade to the latest minor release?" will always
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be "yes."
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* X.0
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* X.1
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* X.2 LTS
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* Y.0: Drop deprecation shims added in X.0 and X.1.
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* Y.1: Drop deprecation shims added in X.2.
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* Y.2 LTS: No deprecation shims dropped (while Y.0 is no longer supported,
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third-party apps need to maintain compatibility back to X.2 LTS to ease
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LTS to LTS upgrades).
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* Z.0: Drop deprecation shims added in Y.0 and Y.1.
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.. _backwards-compatibility-policy:
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@ -81,11 +124,11 @@ varying levels. See `the download page`_ for the current state of support for
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each version.
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* The current development master will get new features and bug fixes
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requiring major refactoring.
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requiring non-trivial refactoring.
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* Patches applied to the master branch must also be applied to the last major
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release, to be released as the next minor release, when they fix critical
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problems:
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* Patches applied to the master branch must also be applied to the last feature
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release branch, to be released in the next patch release of that feature
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series, when they fix critical problems:
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* Security issues.
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@ -95,12 +138,13 @@ each version.
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* Major functionality bugs in newly-introduced features.
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The rule of thumb is that fixes will be backported to the last major release
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for bugs that would have prevented a release in the first place (release
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blockers).
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The rule of thumb is that fixes will be backported to the last feature
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release for bugs that would have prevented a release in the first place
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(release blockers).
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* Security fixes and data loss bugs will be applied to the current master, the
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last two major releases, and the current :ref:`LTS release <lts-releases>`.
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last two feature release branches, and any other supported long-term
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support release branches.
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* Documentation fixes generally will be more freely backported to the last
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release branch. That's because it's highly advantageous to have the docs for
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@ -108,86 +152,55 @@ each version.
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regressions is much less of a concern.
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As a concrete example, consider a moment in time halfway between the release of
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Django 1.7 and 1.8. At this point in time:
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Django 5.1 and 5.2. At this point in time:
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* Features will be added to development master, to be released as Django 1.8.
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* Features will be added to development master, to be released as Django 5.2.
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* Critical bug fixes will be applied to the ``stable/1.7.x`` branch, and
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released as 1.7.1, 1.7.2, etc.
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* Critical bug fixes will be applied to the ``stable/5.1.x`` branch, and
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released as 5.1.1, 5.1.2, etc.
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* Security fixes and bug fixes for data loss issues will be applied to
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``master`` and to the ``stable/1.7.x``, ``stable/1.6.x``, and
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``stable/1.4.x`` (LTS) branches. They will trigger the release of ``1.7.1``,
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``1.6.1``, ``1.4.1``, etc.
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``master`` and to the ``stable/5.1.x``, and ``stable/4.2.x`` (LTS) branches.
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They will trigger the release of ``5.1.1``, ``4.2.1``, etc.
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* Documentation fixes will be applied to master, and, if easily backported, to
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the ``1.7.x`` and ``1.6.x`` branches.
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.. _lts-releases:
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Long-term support (LTS) releases
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================================
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Additionally, the Django team will occasionally designate certain releases
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to be "Long-term support" (LTS) releases. LTS releases will get security and
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data loss fixes applied for a guaranteed period of time, typically 3+ years,
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regardless of the pace of releases afterwards.
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See `the download page`_ for the releases that have been designated for
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long-term support.
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.. _the download page: https://www.djangoproject.com/download/
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the latest stable branch, ``5.1.x``.
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.. _release-process:
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Release process
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===============
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Django uses a time-based release schedule, with major (i.e. 1.8, 1.9, 2.0,
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etc.) releases every nine months, or more, depending on features.
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Django uses a time-based release schedule, with feature releases every eight
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months or so.
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After each release, and after a suitable cooling-off period of a few weeks,
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core developers will examine the landscape and announce a timeline for the
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next release. Most releases will be scheduled in the 6-9 month range, but if
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we have bigger features to develop we might schedule a longer period to
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allow for more ambitious work.
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After each feature release, the release manager will announce a timeline for
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the next feature release.
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Release cycle
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-------------
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Each release cycle will be split into three periods, each lasting roughly
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one-third of the cycle:
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Each release cycle consists of three parts:
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Phase one: feature proposal
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The first phase of the release process will be devoted to figuring out what
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The first phase of the release process will include figuring out what major
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features to include in the next version. This should include a good deal of
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preliminary work on those features -- working code trumps grand design.
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At the end of part one, the core developers will propose a feature list for the
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upcoming release. This will be broken into:
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* "Must-have": critical features that will delay the release if not finished
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* "Maybe" features: that will be pushed to the next release if not finished
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* "Not going to happen": features explicitly deferred to a later release.
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Anything that hasn't got at least some work done by the end of the first third
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isn't eligible for the next release; a design alone isn't sufficient.
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Major features for an upcoming release will be added to the wiki roadmap page,
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e.g. https://code.djangoproject.com/wiki/Version1.9Roadmap.
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Phase two: development
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~~~~~~~~~~~~~~~~~~~~~~
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The second third of the release schedule is the "heads-down" working period.
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The second part of the release schedule is the "heads-down" working period.
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Using the roadmap produced at the end of phase one, we'll all work very hard to
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get everything on it done.
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Longer release schedules will likely spend more than a third of the time in this
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phase.
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At the end of phase two, any unfinished "maybe" features will be postponed until
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the next release. Though it shouldn't happen, any "must-have" features will
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extend phase two, and thus postpone the final release.
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At the end of phase two, any unfinished features will be postponed until the
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next release.
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Phase two will culminate with an alpha release. At this point, the
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``stable/A.B.x`` branch will be forked from ``master``.
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@ -195,9 +208,9 @@ Phase two will culminate with an alpha release. At this point, the
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Phase three: bugfixes
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~~~~~~~~~~~~~~~~~~~~~
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The last third of a release cycle is spent fixing bugs -- no new features will
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be accepted during this time. We'll try to release a beta release after one
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month and a release candidate after two months.
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The last part of a release cycle is spent fixing bugs -- no new features will
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be accepted during this time. We'll try to release a beta release one month
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after the alpha and a release candidate one month after the beta.
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The release candidate marks the string freeze, and it happens at least two
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weeks before the final release. After this point, new translatable strings
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@ -213,11 +226,11 @@ in the ``A.B+1`` cycle.
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Bug-fix releases
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----------------
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After a major release (e.g. A.B), the previous release will go into bugfix
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After a feature release (e.g. A.B), the previous release will go into bugfix
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mode.
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The branch for the previous major release (e.g. ``stable/A.B-1.x``) will include
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bugfixes. Critical bugs fixed on master must *also* be fixed on the bugfix
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branch; this means that commits need to cleanly separate bug fixes from feature
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additions. The developer who commits a fix to master will be responsible for
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also applying the fix to the current bugfix branch.
|
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The branch for the previous feature release (e.g. ``stable/A.B-1.x``) will
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include bugfixes. Critical bugs fixed on master must *also* be fixed on the
|
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bugfix branch; this means that commits need to cleanly separate bug fixes from
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feature additions. The developer who commits a fix to master will be
|
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responsible for also applying the fix to the current bugfix branch.
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|
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@ -59,8 +59,8 @@ for several versions of Django:
|
|||
Django 1.3. Upon the release of Django 1.5, Django 1.3's security
|
||||
support will end.
|
||||
|
||||
* :ref:`Long-term support (LTS) releases <lts-releases>` will receive
|
||||
security updates for a specified period.
|
||||
* :term:`Long-term support release`\s will receive security updates for a
|
||||
specified period.
|
||||
|
||||
When new releases are issued for security reasons, the accompanying
|
||||
notice will include a list of affected versions. This list is
|
||||
|
|
|
|||
|
|
@ -2,13 +2,12 @@
|
|||
API stability
|
||||
=============
|
||||
|
||||
:doc:`The release of Django 1.0 </releases/1.0>` comes with a promise of API
|
||||
stability and forwards-compatibility. In a nutshell, this means that code you
|
||||
develop against a 1.X version of Django will continue to work with future
|
||||
1.X releases. You may need to make minor changes when upgrading the version of
|
||||
Django your project uses: see the "Backwards incompatible changes" section of
|
||||
the :doc:`release note </releases/index>` for the version or versions to which
|
||||
you are upgrading.
|
||||
Django promises API stability and forwards-compatibility since version 1.0. In
|
||||
a nutshell, this means that code you develop against a version of Django will
|
||||
continue to work with future releases. You may need to make minor changes when
|
||||
upgrading the version of Django your project uses: see the "Backwards
|
||||
incompatible changes" section of the :doc:`release note </releases/index>` for
|
||||
the version or versions to which you are upgrading.
|
||||
|
||||
What "stable" means
|
||||
===================
|
||||
|
|
@ -24,8 +23,8 @@ In this context, stable means:
|
|||
|
||||
- If, for some reason, an API declared stable must be removed or replaced, it
|
||||
will be declared deprecated but will remain in the API for at least two
|
||||
minor version releases. Warnings will be issued when the deprecated method
|
||||
is called.
|
||||
feature releases. Warnings will be issued when the deprecated method is
|
||||
called.
|
||||
|
||||
See :ref:`official-releases` for more details on how Django's version
|
||||
numbering scheme works, and how features will be deprecated.
|
||||
|
|
|
|||
|
|
@ -12,10 +12,10 @@ incompatible changes`_ you'll want to be aware of when upgrading from Django
|
|||
features`_, and some features have reached the end of their deprecation process
|
||||
and `have been removed`_.
|
||||
|
||||
Django 1.8 has been designated as Django's second :ref:`"Long-Term Support"
|
||||
(LTS) <lts-releases>` release. It will receive security updates for at least
|
||||
three years after its release. Support for the previous LTS, Django 1.4, will
|
||||
end 6 months from the release date of Django 1.8.
|
||||
Django 1.8 has been designated as Django's second :term:`long-term support
|
||||
release`. It will receive security updates for at least three years after its
|
||||
release. Support for the previous LTS, Django 1.4, will end 6 months from the
|
||||
release date of Django 1.8.
|
||||
|
||||
.. _`new features`: `What's new in Django 1.8`_
|
||||
.. _`backwards incompatible changes`: `Backwards incompatible changes in 1.8`_
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ version.
|
|||
Final releases
|
||||
==============
|
||||
|
||||
Below are release notes through Django |version| and its minor releases. Newer
|
||||
Below are release notes through Django |version| and its patch releases. Newer
|
||||
versions of the documentation contain the release notes for any later releases.
|
||||
|
||||
.. _development_release_notes:
|
||||
|
|
|
|||
|
|
@ -376,9 +376,10 @@ similar to the following::
|
|||
'id': 'fields.W900', # pick a unique ID for your field.
|
||||
}
|
||||
|
||||
After a deprecation period of your choosing (two major releases for fields in
|
||||
Django itself), change the ``system_check_deprecated_details`` attribute to
|
||||
``system_check_removed_details`` and update the dictionary similar to::
|
||||
After a deprecation period of your choosing (two or three feature releases for
|
||||
fields in Django itself), change the ``system_check_deprecated_details``
|
||||
attribute to ``system_check_removed_details`` and update the dictionary similar
|
||||
to::
|
||||
|
||||
class IPAddressField(Field):
|
||||
system_check_removed_details = {
|
||||
|
|
|
|||
Loading…
Reference in New Issue