Hi all,
On July 1st, we will be merging Firefox 69 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 69 to a wider audience with confidence, we'd
like to ask that any risky changes be avoided from July 1st until after
the version bump to 70 on July 8. 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 69.0b1 builds.
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
--
Pascal Chevrel
Firefox Release Manager
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