Firefox/Channels/Meetings/2026-04-30

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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, ljanos, dlucaci, RyanVM, dbarladeanu, oardelean, Aryx, epopescu, mboldan,acristea, dveditz, jgibbs, dsmith,

Schedule Update

• 150
  • Desktop/ESR and Android Fenix/Focus 150.0.1 planned release live @ 100% rollout
  • There is currently no driver for an unplanned Desktop/Android dot release
  • Desktop/Android/ESR115/ESR140 planned dot release scheduled for next week
    • gtb on 2026-05-06, go-live on 2026-05-07 after QA sign-off
  • Firefox iOS 150.2(RC2) scheduled to start phased rollout at 03:00 UTC on 2026-05-03
  • Firefox iOS 150.3 branches and Firefox iOS 150.3 gtb tomorrow
• 151
  • Desktop 151.0b5 gtb tomorrow @ 100% rollout
    • This is the final Early Beta build of the cycle
  • Android 151.0b5 gtb tomorrow @ 99% rollout
    • Bumping to 100% pending QA sign-off
  • Next week is the last full week of Fx151 beta
• 152
  • No updates

Release Quality Metrics

• https://bugdash.moz.tools/#tab.beta

Desktop Stability

Nightly

crash incidence (% of users experiencing a crash): 3.31% (+0.02pp compared to previous week)

• driven by Linux and Windows

Beta

crash incidence: 3.04% (+0.88pp)

• driven by Linux and Windows

Release

crash incidence: 1.19% (+0.18pp)

• driven by Linux and Windows

Mobile Stability

• frequent nightly Crash in [@ mozilla::Maybe<T>::operator-> | JS::loader::LoadedScript::IsUTF16Text]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2036042
  • Geckoview triage owner needinfoed
  • a few crashes with 32-bit builds on desktop
• medium frequency Crash in [@ java.lang.IllegalStateException: at androidx.fragment.app.Fragment.requireContext(Fragment.java)]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2035785
  • Android developer did initial investigation yesterday
• Crash in [@ java.lang.IndexOutOfBoundsException: at java.lang.AbstractStringBuilder.checkRange(AbstractStringBuilder.java)]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2036047
  • developer needinfoed
• Crash in [@ VerifyCientPrincipalInfosMatch ] - Inherit controller for top level initial about:blank
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2021375
  • got noticeable crash volume with v149 which increased with v150
  • needinfo from April 14 in https://bugzilla.mozilla.org/show_bug.cgi?id=2013379
  • Slack pings too, will followup again

QA

Nightly

• Nightly 152 new feature testing planned to be started next Monday.

Beta

• 2nd round of functional testing is completed. No concerns.
• Beta 151 pre-release testing is in progress.

Mobile

[ljanos]

• Android
  • Build Signoffs Fenix & Focus
    • Beta 151.0b2 - status GREEN
    • Beta 151.0b3 - status GREEN
    • Beta 151.0b4 - status GREEN
    • RC 150.0.1 - status GREEN

• • Feature Testing
    • [QA-4934] Android - Shake to summarize - Beta 151 testing done - status GREEN
    • [QA-5139] Android - World cup feature - Test case creation in progress
    • [QA-5182] Update Ecosia favicon for Android - Nightly 152 - GREEN sign-off
    • [QA-4772] DMA choice - non-Pixel device - completed

• iOS
  • Build Signoffs
    • Firefox iOS 150.2 (71197) - Release Candidate 1 - status [GREEN]

• • Feature Testing
    • [QA-4958] - iOS Translations - New UI to support language extensions - nightly testing finished: RED status

Roundtable & Special Topics

• Public holiday tomorrow, Friday 2026-05-01, in many regions