The 17.12 release cycle starts in October 2017.

Milestone Date
Start of release cycle 2017-10-02
Soft feature freeze: end of feature proposal and review period 2017-11-17
Hard feature freeze: end of feature development for this release 2017-11-30
Release candidate 1 (RC1)/hard code freeze: no new code changes may be made after this date 2017-12-13 EOD
RC1 testing 2017-12-14/2017-12-15
17.12 release 2017-12-18

If the release candidate 1 does not successfully pass all required tests, then the issues will be fixed and a new release candidate will be re-tested. This would delay the release, which would be reflected on this page.

See also