Updated the release process docs to reflect the current practices.

Fixed #17919.

docs/internals/release-process.txt

@@ -13,12 +13,12 @@ Since version 1.0, Django's release numbering works as follows:
 
 * ``A`` is the *major version* number, which is only incremented for major
   changes to Django, and these changes are not necessarily
-  backwards-compatible. That is, code you wrote for Django 1.2 may break
+  backwards-compatible. That is, code you wrote for Django 1.6 may break
   when we release Django 2.0.
 
 * ``B`` is the *minor version* number, which is incremented for large yet
-  backwards compatible changes.  Code written for Django 1.2 will continue
-  to work under Django 1.3. Exceptions to this rule will be listed in the
+  backwards compatible changes.  Code written for Django 1.6 will continue
+  to work under Django 1.7. Exceptions to this rule will be listed in the
   release notes.
 
 * ``C`` is the *micro version* number, which is incremented for bug and
@@ -27,67 +27,62 @@ Since version 1.0, Django's release numbering works as follows:
   can't be fixed without breaking backwards-compatibility. If this happens,
   the release notes will provide detailed upgrade instructions.
 
-* In some cases, we'll make alpha, beta, or release candidate releases.
-  These are of the form ``A.B alpha/beta/rc N``, which means the ``Nth``
-  alpha/beta/release candidate of version ``A.B``.
+* Before a new minor release, we'll make alpha, beta, and release candidate
+  releases. These are of the form ``A.B alpha/beta/rc N``, which means the
+  ``Nth`` alpha/beta/release candidate of version ``A.B``.
 
-In git, each Django release will have a tag indicating its version
-number, signed with the Django release key. Additionally, each release
-series (X.Y) has its own branch, and bugfix/security releases will be
+In git, each Django release will have a tag indicating its version number,
+signed with the Django release key. Additionally, each release series has its
+own branch, called ``stable/A.B.x``, and bugfix/security releases will be
 issued from those branches.
 
-For more information about how the Django project issues new releases
-for security purposes, please see :doc:`our security policies
-<security>`.
+For more information about how the Django project issues new releases for
+security purposes, please see :doc:`our security policies <security>`.
 
 Major releases
 --------------
 
 Major releases (1.0, 2.0, etc.) will happen very infrequently (think "years",
-not "months"), and will probably represent major, sweeping changes to Django.
+not "months"), and may represent major, sweeping changes to Django.
 
 Minor releases
 --------------
 
-Minor release (1.1, 1.2, etc.) will happen roughly every nine months -- see
-`release process`_, below for details.
+Minor release (1.5, 1.6, etc.) will happen roughly every nine months -- see
+`release process`_, below for details. These releases will contain new
+features, improvements to existing features, and such.
 
 .. _internal-release-deprecation-policy:
 
-These releases will contain new features, improvements to existing features, and
-such. A minor release may deprecate certain features from previous releases. If a
-feature in version ``A.B`` is deprecated, it will continue to work in version
-``A.B+1``. In version ``A.B+2``, use of the feature will raise a
-``DeprecationWarning`` but will continue to work. Version ``A.B+3`` will
-remove the feature entirely.
+A minor release may deprecate certain features from previous releases. If a
+feature is deprecated in version ``A.B``, it will continue to work in versions
+``A.B`` and  ``A.B+1`` but raise warnings. It will be removed in version
+``A.B+2``.
 
-So, for example, if we decided to remove a function that existed in Django 1.0:
+So, for example, if we decided to start the deprecation of a function in
+Django 1.5:
 
-* Django 1.1 will contain a backwards-compatible replica of the function
-  which will raise a ``PendingDeprecationWarning``. This warning is silent
-  by default; you need to explicitly turn on display of these warnings.
+* Django 1.5 will contain a backwards-compatible replica of the function which
+  will raise a ``PendingDeprecationWarning``. This warning is silent by
+  default; you can turn on display of these warnings with the ``-Wd`` option
+  of Python.
 
-* Django 1.2 will contain the backwards-compatible replica, but the warning
+* Django 1.6 will contain the backwards-compatible replica, but the warning
   will be promoted to a full-fledged ``DeprecationWarning``. This warning is
   *loud* by default, and will likely be quite annoying.
 
-* Django 1.3 will remove the feature outright.
+* Django 1.7 will remove the feature outright.
 
 Micro releases
 --------------
 
-Micro releases (1.0.1, 1.0.2, 1.1.1, etc.) will be issued at least once half-way
-between minor releases, and probably more often as needed.
+Micro releases (1.5.1, 1.6.2, 1.6.1, etc.) will be issued as needed, often to
+fix security issues.
 
 These releases will be 100% compatible with the associated minor release, unless
 this is impossible for security reasons. So the answer to "should I upgrade to
 the latest micro release?" will always be "yes."
 
-Each minor release of Django will have a "release maintainer" appointed. This
-person will be responsible for making sure that bug fixes are applied to both
-trunk and the maintained micro-release branch. This person will also work with
-the release manager to decide when to release the micro releases.
-
 .. _backwards-compatibility-policy:
 
 Supported versions
@@ -96,10 +91,10 @@ Supported versions
 At any moment in time, Django's developer team will support a set of releases to
 varying levels:
 
-* The current development trunk will get new features and bug fixes
+* The current development master will get new features and bug fixes
   requiring major refactoring.
 
-* Patches applied to the trunk will also be applied to the last minor
+* Patches applied to the master branch must also be applied to the last minor
   release, to be released as the next micro release, when they fix critical
   problems:
 
@@ -111,40 +106,42 @@ varying levels:
 
   * Major functionality bugs in newly-introduced features.
 
-  The rule of thumb is that fixes will be backported to the last minor
-  release for bugs that would have prevented a release in the first place.
+  The rule of thumb is that fixes will be backported to the last minor release
+  for bugs that would have prevented a release in the first place (release
+  blockers).
 
-* Security fixes will be applied to the current trunk and the previous two
+* Security fixes will be applied to the current master and the previous two
   minor releases.
 
+* Committers may choose to backport bugfixes at their own discretion,
+  provided they do not introduce backwards incompatibilities.
+
 * Documentation fixes generally will be more freely backported to the last
-  release branch, at the discretion of the committer, and they don't need to
-  meet the "critical fixes only" bar. That's because it's highly advantageous
-  to have the docs for the last release be up-to-date and correct, and the
-  downside of backporting (risk of introducing regressions) is much less of a
-  concern.
+  release branch. That's because it's highly advantageous to have the docs for
+  the last release be up-to-date and correct, and the risk of introducing
+  regressions is much less of a concern.
 
 As a concrete example, consider a moment in time halfway between the release of
-Django 1.3 and 1.4. At this point in time:
+Django 1.6 and 1.7. At this point in time:
 
-* Features will be added to development trunk, to be released as Django 1.4.
+* Features will be added to development master, to be released as Django 1.7.
 
-* Critical bug fixes will be applied to a ``1.3.X`` branch, and released as
-  1.3.1, 1.3.2, etc.
+* Critical bug fixes will be applied to the ``stable/1.6.X`` branch, and
+  released as 1.6.1, 1.6.2, etc.
 
-* Security fixes will be applied to trunk, a ``1.3.X`` branch and a
-  ``1.2.X`` branch. They will trigger the release of ``1.3.1``, ``1.2.1``,
-  etc.
+* Security fixes will be applied to ``master``, to the ``stable/1.6.X``
+  branch, and to the ``stable/1.5.X`` branch. They will trigger the release of
+  ``1.6.1``, ``1.5.1``, etc.
 
-* Documentation fixes will be applied to trunk, and, if easily backported, to
-  the ``1.3.X`` branch.
+* Documentation fixes will be applied to master, and, if easily backported, to
+  the ``1.6.X`` branch. Bugfixes may also be backported.
 
 .. _release-process:
 
 Release process
 ===============
 
-Django uses a time-based release schedule, with minor (i.e. 1.1, 1.2, etc.)
+Django uses a time-based release schedule, with minor (i.e. 1.6, 1.7, etc.)
 releases every nine months, or more, depending on features.
 
 After each release, and after a suitable cooling-off period of a few weeks, the
@@ -190,45 +187,56 @@ At the end of phase two, any unfinished "maybe" features will be postponed until
 the next release. Though it shouldn't happen, any "must-have" features will
 extend phase two, and thus postpone the final release.
 
-Phase two will culminate with an alpha release.
+Phase two will culminate with an alpha release. At this point, the
+``stable/A.B.x`` branch will be forked from ``master``.
 
 Phase three: bugfixes
 ~~~~~~~~~~~~~~~~~~~~~
 
 The last third of a release is spent fixing bugs -- no new features will be
-accepted during this time. We'll release a beta release about halfway through,
-and an rc complete with string freeze two weeks before the end of the schedule.
+accepted during this time. We'll try to release a beta release after one month
+and a release candidate after two months.
+
+The release candidate marks the string freeze, and it happens at least two
+weeks before the final release. After this point, new translatable strings
+must not be added.
+
+During this phase, committers will be more and more conservative with
+backports, to avoid introducing regressions. After the release candidate, only
+release blockers and documentation fixes should be backported.
+
+In parallel to this phase, ``master`` can receive new features, to be released
+in the ``A.B+1`` cycle.
 
 Bug-fix releases
 ----------------
 
-After a minor release (e.g. 1.1), the previous release will go into bugfix
+After a minor release (e.g. 1.6), the previous release will go into bugfix
 mode.
 
-A branch will be created of the form ``branches/releases/1.0.X`` to track
-bugfixes to the previous release. Critical bugs fixed on trunk must
-*also* be fixed on the bugfix branch; this means that commits need to cleanly
-separate bug fixes from feature additions. The developer who commits a fix to
-trunk will be responsible for also applying the fix to the current bugfix
-branch.  Each bugfix branch will have a maintainer who will work with the
-committers to keep them honest on backporting bug fixes.
+A branch will be created of the form ``stable/1.5.x`` to track bugfixes to the
+previous release. Critical bugs fixed on master must *also* be fixed on the
+bugfix branch; this means that commits need to cleanly separate bug fixes from
+feature additions. The developer who commits a fix to master will be
+responsible for also applying the fix to the current bugfix branch.
 
 How this all fits together
 --------------------------
 
 Let's look at a hypothetical example for how this all first together. Imagine,
-if you will, a point about halfway between 1.1 and 1.2. At this point,
+if you will, a point about halfway between 1.5 and 1.6. At this point,
 development will be happening in a bunch of places:
 
-* On trunk, development towards 1.2 proceeds with small additions, bugs
+* On master, development towards 1.6 proceeds with small additions, bugs
   fixes, etc. being checked in daily.
 
-* On the branch "branches/releases/1.1.X", fixes for critical bugs found in
-  the 1.1 release are checked in as needed. At some point, this branch will
-  be released as "1.1.1", "1.1.2", etc.
+* On the branch ``stable/1.5.x``, fixes for critical bugs found in
+  the 1.5 release are checked in as needed. At some point, this branch will
+  be released as "1.5.1", "1.5.2", etc.
 
-* On the branch "branches/releases/1.0.X", security fixes are made if
-  needed and released as "1.0.2", "1.0.3", etc.
+* On the branch ``stable/1.4.x``, security fixes are made if
+  needed and released as "1.4.2", "1.4.3", etc.
 
-* On feature branches, development of major features is done. These
-  branches will be merged into trunk before the end of phase two.
+* Development of major features is done in branches in forks of the main
+  repository. These branches will be merged into ``master`` before "1.6
+  alpha 1".