Update docs with cycle-with-rc information

Adds descriptions and references to the cycle-with-rc model.

Change-Id: I734a9344ce6b2456611708e59bbdd32c0403400e
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

doc/source/reference/process.rst

@@ -269,7 +269,7 @@ RC1
 
    Note this work is done by translation team.
 
-7. After all cycle-with-milestone projects have their branches
+7. After all cycle-with-rc projects have their branches
    created, someone from the requirements core team (preferably the
    requirements PTL) needs to propose an update the deliverable file to
    create the stable/$series branch for ``openstack/requirements``.
@@ -333,7 +333,7 @@ candidates are coming.
 
    In the release-tools repository working directory, run::
 
-     $ ./list_unreleased_changes.sh stable/newton $(list-repos --tag release:cycle-with-milestones) 2>&1 | tee unreleased.log
+     $ ./list_unreleased_changes.sh stable/newton $(list-repos --tag release:cycle-with-rc) 2>&1 | tee unreleased.log
 
 7. After the deadline for final release candidates has passed, create
    stable branches for cycle-with-intermediary projects that did not
@@ -343,7 +343,7 @@ candidates are coming.
 8. As soon as the last release candidate is tagged and the freeze
    period is entered, use ``propose-final-releases`` to tag the
    existing most recent release candidates as the final release for
-   projects using the cycle-with-milestone model.
+   projects using the cycle-with-rc model.
 
 9. Ask liaisons and PTLs of milestone-based projects to review and +1
    the final release proposal from the previous step so their approval

doc/source/reference/release_models.rst

@@ -23,7 +23,7 @@ it falls in:
 
 * Components appearing in the *openstack* bucket in the `OpenStack map`_
   form the main components of an OpenStack cloud, and therefore should follow
-  the release cycle. They need to pick between `cycle-with-milestones`_
+  the release cycle. They need to pick between `cycle-with-rc`_
   or `cycle-with-intermediary`_ models.
 * Libraries cannot use RCs or trail the release. They need to pick between
   `cycle-with-intermediary`_ and `independent`_ release models based on how
@@ -35,29 +35,53 @@ it falls in:
 
 .. _`OpenStack map`: https://www.openstack.org/openstack-map
 
+.. _cycle-with-rc:
+
+cycle-with-rc
+=============
+
+The "cycle-with-rc" model describes projects that produce a single release at
+the end of the cycle, with one or more release candidates (RC) close to the end
+of the cycle and optional development milestone betas published on a
+per-project need.
+
+* "cycle-with-rc" projects commit to publish at least one release candidate
+  following a predetermined schedule published by the Release Management team
+  before the start of the cycle.
+* "cycle-with-rc" projects commit to produce a release to match the end of the
+  development cycle.
+* Release tags for deliverables using this tag are reviewed and applied by the
+  Release Management team.
+
 .. _cycle-with-milestones:
 
-cycle-with-milestones
-=====================
+cycle-with-milestones (legacy)
+==============================
 
-The "cycle-with-milestones" model describes projects that produce a
+.. note::
+
+   The cycle-with-milestones release model is no longer used and is kept here
+   for historical reference. Projects should now use cycle-with-rc.
+
+
+The "cycle-with-milestones" model described projects that produced a
 single release at the end of the cycle, with development milestones
 published at predetermined times in the cycle schedule.
 
-* "cycle-with-milestones" projects commit to publish development
+* "cycle-with-milestones" projects commited to publish development
   milestones following a predetermined schedule published by the Release
   Management team before the start of the 6-month cycle.
-* "cycle-with-milestones" projects commit to produce a release to
+* "cycle-with-milestones" projects commited to produce a release to
   match the end of the 6-month development cycle.
-* Release tags for deliverables using this tag are reviewed and
+* Release tags for deliverables using this tag were reviewed and
   applied by the Release Management team.
-* Projects using milestones are expected to tag at least 2 out of the
+* Projects using milestones were expected to tag at least 2 out of the
   3 for each cycle, or risk being dropped as an official project. The
-  release team will remind projects that miss the first milestone, and
+  release team would remind projects that miss the first milestone, and
   create tags on any later milestones for the project team by tagging
-  HEAD at the time of the deadline. If the release team force-creates
+  HEAD at the time of the deadline. If the release team force-created
   2 tags for a project in the same given development cycle, the
-  project will be treated as inactive and the release team will
+  project would be treated as inactive and the release team would
   recommend dropping it from the official project list.
 
 .. _cycle-with-intermediary:

doc/source/reference/using.rst

@@ -171,7 +171,7 @@ matches the most recent release from that repository. To re-tag in
 those cases, use the --force option.
 
 Use the --stable-branch option to also create a stable branch for the
-new release. Projects following the cycle-with-milestones release
+new release. Projects following the cycle-with-rc release
 model automatically receive a new stable branch on their first release
 candidate.
 
@@ -255,7 +255,7 @@ that deliverable. For each deliverable, we need to track:
 
 * cycle highlights that will be published to
   ``releases.openstack.org/$SERIES/highlights.html`` (optional, and for
-  cycle-with-intermediary, cycle-with-milestones, and cycle-trailing projects
+  cycle-with-intermediary, cycle-with-rc, and cycle-trailing projects
   only)
 * the starting points of all branches
 

doc/source/stein/schedule.rst

@@ -78,10 +78,7 @@ cycle 10 - 14 September in Denver, Colorado, USA.
 Stein-1 milestone
 -----------------
 
-25 October 2018 is the Stein-1 milestone window for projects following the
-`release:cycle-with-milestones`_ model.
-
-.. _release:cycle-with-milestones: https://releases.openstack.org/reference/release_models.html#cycle-with-milestones
+25 October 2018 is the Stein-1 milestone.
 
 .. _s-goals-ack:
 
@@ -107,8 +104,7 @@ next development cycle (Stein).
 Stein-2 milestone
 -----------------
 
-10 January 2019 is the Stein-2 milestone window for projects following the
-`release:cycle-with-milestones`_ model.
+10 January 2019 is the Stein-2 milestone.
 
 .. _s-final-lib:
 
@@ -124,8 +120,7 @@ changes before feature freeze.
 Stein-3 milestone
 -----------------
 
-28 February 2019 is the Stein-3 milestone window for projects following the
-`release:cycle-with-milestones`_ model.
+28 February 2019 is the Stein-3 milestone.
 
 .. _s-goals-complete:
 
@@ -142,7 +137,7 @@ Feature freeze
 --------------
 
 The Stein-3 milestone marks feature freeze for projects following the
-`release:cycle-with-milestones`_ model. No featureful patch should be landed
+`release:cycle-with-rc`_ model. No featureful patch should be landed
 after this point. Exceptions may be granted by the project PTL.
 
 .. _s-rf:
@@ -179,10 +174,7 @@ is published).
 Membership Freeze
 -----------------
 
-Projects must participate in at least two milestones in order to be considered
-part of the release. Projects made official after the second milestone, or
-which fail to produce milestone releases for at least one of the first and
-second milestones as well as the third milestone, are therefore not considered
+Projects made official after the second milestone, are not considered
 part of the release for the cycle. This does not apply to cycle-trailing
 packaging / lifecycle management projects.
 
@@ -192,9 +184,11 @@ RC1 target week
 ---------------
 
 This week is the target for projects following the
-`release:cycle-with-milestones`_ model to issue their first release candidate,
+`release:cycle-with-rc`_ model to issue their first release candidate,
 with a deadline of 21 March 2019.
 
+.. _release:cycle-with-rc: https://releases.openstack.org/reference/release_models.html#cycle-with-rc
+
 .. _s-hard-sf:
 
 Hard StringFreeze