Firefox/Channels/Meetings/2025-12-04

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Channel Meeting Details

• Thursdays at 7:30am Pacific Time
• Past meeting notes: https://wiki.mozilla.org/Firefox/Channels/Meetings

Video/Teleconference Details

• Zoom Meeting ID: 536 097 768
• https://mozilla.zoom.us/j/536097768

REMEMBER

These notes are read by people who weren't able to attend the meeting. Please make sure to include links and context so they can be understood.

Attendees

RyanVM, dbarladeanu, oardelean, pascalc, phorea, ljanos, dsmith, csasca, tzsoldos, atrif, Aryx, epopescu,btot, vtamas, dveditz, dmeehan

Schedule Update

• 145
  • No dot release on the radar before Fx146 go-live
• 146
  • Desktop 146.0 RC1 live on beta @ 100% rollout
  • ESR 140.6 pending release
  • Android Fenix/Focus 146.0 live on play store @ 5% rollout
  • iOS Firefox 146.0 scheduled to start phased rollout at 03:00 UTC on 2025-12-07
    • Pending signoff and translation issue resolution
  • Firefox iOS 146.1 branches and Firefox iOS 146.1 gtb tomorrow
  • Next week is Fx146 go-live on 2025-12-09
• 147
  • Nightly soft code freeze has started
    • String freeze starts tomorrow
  • Merge Day and 147.0b1 gtb next week on Monday 2025-12-08

Release Quality Metrics

• https://mozilla-hub.atlassian.net/wiki/spaces/FIREFOX/pages/277284167/Beta+Quality+Metrics

Desktop Stability

Nightly

crash incidence (% of users experiencing a crash): 2.66% (-0.07 pp compared to previous week)

• Crash in [@ mozilla::dom::Navigation::UpdateEntriesForSameDocumentNavigation]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1999518
  • high frequency
  • needinfoed a developer to verify the regressor
• [@ mozilla::dom::ClientSource::SetController]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1880012
  • will be fixed for v147 by backout in https://bugzilla.mozilla.org/show_bug.cgi?id=2003720

Beta

crash incidence: 2.01% (-0.04pp)

• Crash in [@ mozilla::gfx::DoesTextureSharingWorkInternal]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2004027
  • low frequency
  • developer needinfoed

Release

crash incidence: 0.97% (+/-0pp)

• Crash in [@ mozilla::detail::Endian<T>::read]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2004022
  • low volume, since Firefox 144
  • developer needinfoed

QA

Nightly

• Recurring testing
  • Nightly pre-merge smoke testing → on track, no new bugs so far
  • Nightly regression search testing → in progress, no concerns

Mobile

[ljanos]

• Android
  • Build Signoffs Fenix & Focus
    • Beta 146.0b9- status GREEN
    • Release 146.0 Build 1 - status GREEN
  • Feature Testing
    • [QA-4205] Homepage as a new tab - Nightly 147 - RED signoff
    • [QA-4471] [Android] - Verify Local Network Access Functionality – Nightly 147 - GREEN signoff

• iOS
  • Build Signoffs
    • Focus iOS 146 (65301) - Release Candidate - status [GREEN]
    • Firefox iOS 146.0 (?) - Release Candidate - pending for validation

• • Feature Testing
    • [QA-4569] Translations - testing results sent