Firefox/Channels/Meetings/2025-09-18

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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

dmeehan, abodea, pascalc, apetridean, phorea, atrif, dsmith, rdoghi, dveditz, Aryx, btot,

Schedule Update

• 143
  • Desktop 143.0 currently throttled @ 0% rollout
    • Crash spike under investigation https://bugzilla.mozilla.org/show_bug.cgi?id=1872261
  • Android Fenix/Focus 143.0 live @ 100% rollout
  • Android planned dot release scheduled for next week
    • gtb on 2025-09-22, go-live on 2025-09-23 after QA sign-off
  • Firefox iOS 143.0.1 is now phased rollout
    • Unplanned dot release as a follow-up for shake-to-summarize
  • Firefox iOS 143.1 scheduled to start phased rollout at 03:00 UTC on 2025-09-28
    • RC1 received a yellow QA sign-off, planning a RC2 build once there is an investigation/fixes
• 144
  • Desktop/Android 144.0b2 live @ 50%
  • Desktop 144.0b3 gtb tomorrow @ 100% rollout
  • Android 144.0b3 gtb tomorrow @ 99% rollout
    • Bumping to 100% pending QA sign-off
• 145
  • New cycle has started for Fx145

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): % (pp compared to previous week)

Beta

crash incidence: % (pp)

Release

crash incidence: % (pp)

• Crash in [@ RedBlackTree<T>::TreeNode::SetColor] with Trend Micro UMH Monitor Engine
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1872261
  • incident under investigation, updates not unthrottled because of this
• Crash in [@ mozilla::SystemTimeConverter<T>::IsTimeNewerThanTimestamp]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1989314
  • since Firefox 142
• Crash in [@ mozilla::WebGLTexelConversions::unpack<T>]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1989317
  • needinfoed developer who touched file last

QA

Beta

• Beta smoke testing is in progress. No concerns.
• The 1st round of Beta functional testing is in progress. No concerns.
• Beta top site web compatibility testing is in progress. No concerns.

Mobile

• Android
  • Build Signoffs Fenix & Focus
    • Beta 144.0b1- status GREEN
    • Beta 144.0b2 - status GREEN
  • Feature Testing
    • [QA-4456] Validation of Firefox for Android installed from App Gallery - testing in progress
    • [QA-4074] Android Firefox - Updates to Broken Site Reporter – Beta 144 – status GREEN

• iOS
  • Build Signoffs
    • Firefox iOS v143 (61315) - Sign Off Green
    • Firefox iOS v143.1 (61341) - Sign Off Yellow
    • Firefox iOS v143.0.1 (61598) - Sign Off Green
  • Feature Testing
    • QA-4384 - iOS 26 Glass Changes - full regression testing done
    • QA-4187 - Terms of Use bottom sheet for existing iOS users - testing will start soon
    • iOS 26 + Shake to Summarize, Glass Effect - testing