Firefox/Channels/Meetings/2026-10-08

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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, dmeehan, pascalc, apetridean, acristea, bmaris, csasca, tzsoldos, jgibbs, dveditz,

Schedule Update

• 157
  • Desktop 157.0.1 and Android Fenix/Focus 157.0.1 planned release live @ 100% rollout
  • No dot release on the radar before Fx158 go-live
• 158
  • Desktop & Android 158.0b5 live on beta @ 100% rollout
  • Desktop & Android 158 RC1 ready for QA
    • Will start Android Fenix/Focus 158.0 5% Play Store rollout after signoff
  • ESR 153.5 and 115.43 pending release
  • iOS Firefox 158.0 scheduled to start phased rollout at 03:00 UTC on 2026-10-11
  • Firefox iOS 158.1 branches and Firefox iOS 158.1 gtb tomorrow
  • Next week is Fx158 go-live on 2026-10-13
• 159
  • Merge Day and 159.0b1 build1 gtb today
  • 159.0b1 goes live @ 50% on 2026-10-12

Release Quality Metrics

• https://bugdash.moz.tools/#tab.beta
  • No blockers ahead of next week’s release.

Desktop Stability

Nightly

crash incidence (% of users experiencing a crash): 1.48% (-0.41pp compared to previous week) - both Linux and Windows low

Beta

crash incidence: 1.82% (+0.04pp)

Release

crash incidence: 1.06% (+0.03pp)

Mobile Stability

Nightly

• Crash in [@ libc.so | core::ptr::drop_in_place<T> | core::ptr::drop_in_place<T> | <viaduct::Response as uniffi_core::ffi_converter_traits::FfiConverter<UT>>::try_lift]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2073758
  • crash volume grows from a low base

Release

• Crash in [@ java.lang.OutOfMemoryError: at android.hardware.SystemSensorManager$SensorEventQueue.dispatchSensorEvent(SystemSensorManager.java)]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2079702

QA

Nightly

• Nightly 160 new features - test case design and documentation - in progress

Beta

• Uplift verification for Beta 159 features will start next week

Mobile

Android

• • Build Signoffs Fenix & Focus
    • Beta 158.0b3 - status GREEN
    • Beta 158.0b4 - status GREEN
    • Beta 158.0b5 - status GREEN
    • RC157.0.1 - status GREEN
    • RC 158.0- status GREEN
  • Feature Testing
    • [QA-5788] - [Search Config v3] Test cases creation - in progress

• iOS
  • Build Signoffs
    • Firefox iOS v158.0 (77818) - status Green
    • Focus iOS 158.0 (77821) - status Green
  • Feature Testing
    • QA-5725 Firefox iOS PDF WebView Internal Refactor - results sent
    • Duo testing 27 Feature - Exploratory testing - in progress
    • QA-5559 iOS - VPN - in progress
    • QA-5752 iOS - Investigate Sync and Accounts and find bugs - in progress

Roundtable & Special Topics

• Monday 12-Oct is a Canadian holiday