Firefox/Channels/Meetings/2025-09-04

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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, Mira, dlucaci, dmeehan, dsmith, epopescu, mboldan, Aryx, atrif, tzsoldos,phorea

Schedule Update

• 142
  • No dot release on the radar before Fx143 go-live
• 143
  • Desktop 143.0b9 gtb tomorrow @ 100% rollout
    • This is the final build of the cycle
  • Android 143.0b9 gtb tomorrow @ 99% rollout
    • Bumping to 100% pending QA sign-off
  • Possible Firefox iOS 143.0 RC respin this week
  • Next week is the RC week
  • The deadline for Release Notes is 2025-09-10
• 144
  • Nightly soft code freeze starts next week - Thursday 2025-09-11

Release Quality Metrics

• https://mozilla-hub.atlassian.net/wiki/spaces/FIREFOX/pages/277284167/Beta+Quality+Metrics
  • Sec bugs still running a bit higher than preferred

Desktop Stability

Nightly

crash incidence (% of users experiencing a crash): N/A (incorrect data)

• frequent startup crashes with latest Nightly
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1986900
  • new Nightly builds work in progress

Beta

crash incidence: 1.57%

• Crash in [@ RedBlackTree<T>::TreeNode::SetColor]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1872261
  • 20-25 crashes/days since beta switched to v143

Release

crash incidence: 0.91%

• Crash in [@ WasmTrapHandler]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1986922
  • medium frequency which has tripled over the last month

QA

Nightly

[atrif]

• Nightly 144 feature testing - in progress.
  • Code not landed for:
    • QA-4345 - PDF commenting
    • QA-4349 - Daily Briefing - move weather to header
• Nightly top site web compatibility testing completed. No concerns.

Beta

[atrif]

• 3rd round of Functional testing in progress. No concerns
• Exploratory testing is in progress. No concerns.

Mobile

• Android [Mira]
  • Build Signoffs Fenix & Focus
  • Build Signoffs Fenix & Focus
    • Beta 143.0b6 - status GREEN
    • Beta 143.0b7 - status GREEN
    • Beta 143.0b8 - status GREEN
  • Feature Testing
    • [QA-4205] Homepage as a New Tab – Nightly 144 - testing done - status YELLOW
      • dmeehan - https://bugzilla.mozilla.org/show_bug.cgi?id=1980905 is tracked and I added a comment earlier today
    • [QA-4261] Tab Manager Phase 1 – Nightly 144 - waiting for final implements before finishing testing
    • [QA-4278] Composable toolbar - Beta 143 testing done - sign-off status GREEN
    • [QA-4281] QA App Icon Picker - Nightly 144 testing in progress
• iOS
  • Build Signoffs
    • Full regression - v143.0 - iOS 18.x or lower - in progress
    • iOS 26 Beta testing - Full regression - Nightly testing done
  • Feature Testing
    • QA-4260 - Shake to summarize - RC testing finished, yellow status
    • QA-4384 - iOS 26 Glass Changes - full regression testing in progress

Roundtable & Special Topics

• Mozilla wellness day on Sept 12