The version bump to 149 has now landed on mozilla-central and the soft freeze period is over.
Thanks, Donal Meehan, Firefox Release Manager On Mon, Jan 5, 2026 at 8:34 AM Donal Meehan <[email protected]> wrote: > Hello, > With Firefox 147 in Release Candidate phase this week, we are nearing the > end of the Nightly 148 cycle. > > In order to avoid invalidating the testing we get out of late Nightly and > to ensure that we can roll out Beta 148 to a wider audience with confidence > this week, we'd like to ask that any risky changes be avoided from > Thursday, January 8 until after the version bump to 149 on January 12. > > Also, please be advised that string freeze for Firefox 148 begins Friday, > January 9. In order to ensure that our localizers have adequate time to > translate strings, please make sure that all string changes have landed by > EOD Friday. > > Some reminders for the soft code freeze period: > > Do: > - Be ready to back out 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 affect 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 the 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, > Donal Meehan, > Firefox Release Manager > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/CAP5bjny58Zgsvd0zpWJH9fsxDFD%3DsMp5y9ZHBLi6Lz7078fLvQ%40mail.gmail.com.
