Soft code freeze for Firefox 65 starts December 3

Ryan VanderMeulen rvandermeulen at mozilla.com
Mon Dec 10 16:04:51 UTC 2018


The Gecko version has been bumped to 66 now on mozilla-central, so the soft
freeze is now over.

Thanks,
Ryan

On Thu, Nov 29, 2018 at 10:13 AM Ryan VanderMeulen <
rvandermeulen at mozilla.com> wrote:

> Hi all,
>
> On December 3, we will be merging Firefox 65 from mozilla-central to beta
> for the first time. In order to avoid invalidating the testing we get out
> of late Nightly and the early Developer Edition builds and to ensure that
> we can roll out Beta 65 to a wider audience with confidence, we'd like to
> ask that any risky changes be avoided from December 3 until after the
> version bump to 66 on December 10. Please also be mindful of any landings
> late this week or over the weekend as there will be very little buffer
> between the first merge and shipping the 65.0b1 builds, especially with
> All-Hands travel.
>
> Some reminders for the soft code freeze period:
>
> Do:
> - Be ready to backout patches that cause crash spikes, new crashes,
> severe regressions
> - Monitor new regressions and escalate merge blockers
> - Support release management by prioritizing fixing of merge blockers
>
> Do Not:
> - Land a risky patch or a large patch
> - Land new features (that affects the current Nightly version) — be
> mindful that code behind NIGHTLY_BUILD or RELEASE_OR_BETA ifdefs can
> lead to unexpected CI results
> - Flip prefs that enable new Features that were untested in Nightly cycle
> - Plan to kick off new experiments that might impact a feature's merge
> readiness
>
> Please let us know if you have any questions/concerns.
>
> Thanks,
>
> Release Management Team
>
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