Firefox/Channels/Meetings/2026-05-14

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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, RyanVM, abodea, cbaica, mchiorean, phorea, mboldan, dsmith, dlucaci,jgibbs, tzsoldos,apetrideandveditz

Schedule Update

• 150
  • Desktop 150.0.3 and Android Fenix/Focus 150.0.3 unplanned dot release live @ 100% rollout
  • Desktop/Android/ESR dot release on the radar for late this week
• 151
  • Desktop & Android 151.0b10 live on beta @ 100% rollout
  • Desktop & Android 151 RC1 ready for QA
  • ESR 115.36 and 140.11 ready for QA
  • 151.0 Desktop/Android & ESR115.36/140.11 RC2 - timing is TDB
    • We will also build and ship a Desktop/Android 151.0b11
  • iOS Firefox 151.0 scheduled to start phased rollout at 03:00 UTC on 2026-05-17
  • Firefox iOS 151.1 branches and Firefox iOS 151.1 gtb tomorrow
  • Next week is Fx151 go-live on 2026-05-19
• 152
  • String freeze starts tomorrow
  • Merge Day and 152.0b1 build1 gtb next week on Monday 2026-05-18

Release Quality Metrics

• https://bugdash.moz.tools/#tab.beta

Desktop Stability

Nightly

crash incidence (% of users experiencing a crash): 2.98% (+0.09pp compared to previous week)

• Crash in [@ ServoComputedData::StyleDisplay]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2039572
  • needinfoed triage owner
• Crash in [@ CanAttachDOMCall]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=2039575
  • low frequency
  • awaits triage

Beta

crash incidence: 2.18% (-0.96pp) - Linux incidence decreased

Release

crash incidence: 1.09% (+0.03pp)

Mobile Stability

• Firefox 82.0 tab crash [@ mozilla::extensions::StreamFilterParent::Init ]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1673749
  • recent increase in volume, needinfoed domain expert

QA

Nightly

• Recurring testing
  • Nightly pre-merge smoke testing → On track, no new bugs so far
  • Nightly regression search testing → On track, no new bugs so far

Beta/RC

• RC1 151.0 build validation testing - completed - GREEN status
• RC1 ESR 140.11.0 build validation testing - completed - GREEN status
• RC1 ESR 115.36.0 build validation testing - completed - GREEN status

Mobile

• Android
  • Build Signoffs
    • Beta 151.0b8 build 1 - status GREEN
    • Beta 151.0b9 build 2 - status GREEN
    • Beta 150.0b10 - status GREEN
    • RC 151.0 - status GREEN

• • Feature Testing
    • [QA-5021] Android Tab Groups - Nightly 152 sign-off status Green
    • [QA-5215] DOM API Improvements - Nightly 152 - status GREEN
    • [QA-5139] Android World cup feature - Beta 151 - Status GREEN

• iOS
  • Build Signoffs
    • Firefox iOS v151 (71676) - Sign-OFF Green
    • Focus iOS 151 (71718) - Sign-OFF Green
  • Feature Testing
    • [QA-4588] World Cup Feature - In progress
    • [QA-5082] iOS Bookmarks - Search bar for bookmarks - in progress

Roundtable & Special Topics

• Upcoming public holidays
  • 2026-05-18 Canada
  • 2026-05-25 multiple regions