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Xen Project Release and Roadmap Process (4.7+)

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Very short overview of the Xen Project Release and Roadmap Process (for the blog). It covers the process valid up to and including Xen 4.6, and the approved proposal for Xen 4.7 and newer.

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Xen Project Release and Roadmap Process (4.7+)

  1. 1. Release and Roadmap Process Vinovyn @ Flickr
  2. 2. Release Manager: Wei Liu Accepted Proposal: Tweaked Release Process for Xen 4.7 lists.xenproject.org/archives/html/xen-devel/2015-11/msg00073.html
  3. 3. Reduce release cycle length to 6 months: – 4 months development – 2 months freeze, with earlier creation of release branch based on risk assessment – Xen 4.7 will be slightly longer to support future June / December releases Fixed and predictable Release dates – Beginning of June and December of each year – Eat into next cycle if we don't release on time Fixed cut-off date: – Freeze dates: last day of March and September of each year – No more freeze exceptions, but heads-up mails about freeze will be sent a few weeks beforehand Maintenance support: no changes
  4. 4. Master branch on xen.git Wait period to clear test pushgate RC’s RELEASE-4.6.0 branch on xen.git RELEASE-4.7.0 branch based on risk assessment Release Announcement Feature Development Feature Freeze point Last Posting Date
  5. 5. Release Manager declares that only bug fixes deemed blockers can be accepted Creation of RELEASE-4.7.0 branch based on risk assessment Master/Release branch on xen.git Feature Development RC’s This is when patches for the ongoing release need to be submitted for review Wait period to clear test pushgate No new features will be accepted No Freeze Exceptions, will be allowed Bug fixes are allowed, with approval by Maintainers/Release Manager
  6. 6. Release Manager: Sends Monthly Xen x.y Development Update email on xen-devel@ Contributors: Expected to reply if they are working on a feature that is not on the list of tracked features Expected to provide Status updates on features & bugs on the list Not engaging with the process may lead to removal or downgrading Release Manager: Sends first Xen x.y Development Update email on xen-devel@ Deferred features from previous release, Timetable, etc. Contributors: Expected to reply if they are working on a feature that is not on the list of tracked features and tracked bugs Release Manager: RC Announcements, Test Days Contributors: Expected to provide Status updates on tracked bugs on the list Release Manager: Release Announcement
  7. 7. Release Manager: Wei Liu Proposal: Tweaked Release Process for Xen 4.6 lists.xenproject.org/archives/html/xen-devel/2015-02/msg01214.html
  8. 8. Master branch on xen.git Feature Development Feature Freeze point Wait period to clear test pushgate RC’s Release Announcement RELEASE-4.5.0 branch on xen.git
  9. 9. Master branch on xen.git Feature Development RC’s This is when patches for the ongoing release need to be submitted for review Wait period to clear test pushgate No new features will be accepted, unless there is a Freeze Exception Bug fixes are allowed, with approval by Maintainers/Release Manager Release Manager declares that only bug fixes deemed blockers can be accepted
  10. 10. Release Manager: Sends Monthly Xen x.y Development Update email on xen-devel@ Contributors: Expected to reply if they are working on a feature that is not on the list of tracked features Expected to provide Status updates on features & bugs on the list Not engaging with the process may lead to removal or downgrading Release Manager: Sends first Xen x.y Development Update email on xen-devel@ Deferred features from previous release, Timetable, etc. Contributors: Expected to reply if they are working on a feature that is not on the list of tracked features and tracked bugs Same as above: can also ask for Freeze Exceptions Release Manager: RC Announcements, Test Days Contributors: Expected to provide Status updates on tracked bugs on the list Release Manager: Release Announcement
  11. 11. Master branch on xen.git Feature Development Code Freeze Point Feature Freeze point Hardening RC’s Release Announcement RELEASE-4.5.0 branch on xen.git
  12. 12. Master branch on xen.git Feature Development Hardening RC’s This is when patches for the ongoing release need to be submitted for review No new Features The focus of Hardening is on Bug Fixes No bug fixes will be accepted, unless they are deemed a blocker
  13. 13. Release Manager: Sends Monthly Xen x.y Development Update email on xen-devel@ Contributors: Expected to reply if they are working on a feature that is not on the list of tracked features Expected to provide Status updates on features & bugs on the list Not engaging with the process may lead to removal or downgrading Release Manager: Sends first Xen x.y Development Update email on xen-devel@ Deferred features from previous release, Timetable, etc. Contributors: Expected to reply if they are working on a feature that is not on the list of tracked features and tracked bugs Same as above: can also ask for Freeze Exceptions Release Manager: RC Announcements, Test Days Contributors: Expected to provide Status updates on tracked bugs on the list Release Manager: Release Announcement

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