Firefox/Channels/Meetings/2025-05-22

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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

READ ONLY

Schedule Update

• 138
  • Desktop/Android 138.0.4, ESR 115.23.1 & ESR 128.10.1 rolled out at 100% last Saturday
    • 138 chemspill release for pwn2own
  • iOS 138.3 is live in App store at 100% to add logging for tab loss
    • Issue seemed to have been caused by a deep link experiment which was paused
• 139
  • Desktop 139.0 RC1 live on beta @ 100% rollout
  • ESR 115.24 & 128.11 pending release
  • Android Fenix/Focus 139.0 live on play store @ 5% rollout
  • Will be building Desktop, Android, and iOS RC2 respins later today
  • Next week is Fx139 go-live on 2025-06-06
• 140
  • Nightly soft code freeze has started
    • String freeze starts tomorrow
  • Merge Day and 140.0b1 gtb next week on Monday 2025-05-26
  • Using Ship-it for the Firefox iOS beta builds, this should be transparent for testing.

Release Quality Metrics

• https://mozilla-hub.atlassian.net/wiki/spaces/FIREFOX/pages/277284167/Beta+Quality+Metrics
  • No major issues beyond RC respin drivers

Desktop Stability

Nightly

crash incidence (% of users experiencing a crash): 2.03%

• [@ wgpu_hal::auxil::dxgi::result::impl$0::into_device_result::closure$0<T>]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1951577
  • still low to medium frequency

Beta

crash incidence: 1.60%

Release

crash incidence: 1.10%

QA

Nightly

[gmoldovan]

• Nightly 140 pre-merge smoke testing - in testing. No concerns.
• Nightly 140 search testing - in progress. No concerns.

Mobile

[dpop]

• Android
  • Build Signoffs Fenix & Focus
    • Beta 139.0b10 - status GREEN
    • 138.0.4 build 1 - status GREEN
    • 139.0 build 1- status GREEN
  • Feature Testing
    • [QA-3953] Choice Screen Validation: EU Android - 3/4 tasks done, waiting for Pixel tablet delivery
    • [QA-3951] Biometric authentication for Private mode - Nightly 140 testing is in progress
    • [QA-3983] [Android] - Enable the <input type="search"> clear search button in privileged documents - Nightly 140 testing is in progress

[abodea]

• iOS
  • Build Signoffs
    • Firefox iOS v139 (55483) beta 9 - status [GREEN]
    • Firefox iOS v139 (55548) RC 1 - status [GREEN]
    • Firefox iOS v138.3 (55650) dot release 2 - status [GREEN]
    • Focus iOS 139 (55549) RC 1 - status [GREEN]
  • Feature Testing
    • Tracking protection panel (new users full release experiment) 138.2 RC build - testing finished
    • QA-3899 search config - nightly testing in progress
    • QA-3707 - Toolbar - Swipe Tabs Animation - nightly testing done
    • New Toolbar Experiment existing users - 139 RC testing in progress
    • Password Autofill Scripts/Code Updates - testing done
    • Felt Privacy/Enhanced FF suggest with homepage rebuild and new toolbar- beta 139 testing done

Roundtable & Special Topics

• Monday 2025-05-26 is a US holiday

Retrospective

• 138 retrospective will be on the May 28th