Firefox/Channels/Meetings/2020-09-24

Channel Meeting Details

• Tuesdays at 10am and Thursdays at 7:30am Pacific Time
• Riot #release-drivers for backchannel
• 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
• +17207072699,,536097768# US
• Find your local number: https://zoom.us/u/agItTmqIu

Attendees

RyanVM, abodea, cfogel, obotisan, ajoltan, lapahidean, csasca, mberlinger, tbabos, sbadau, btot, ebalazs, tzsoldos, jcristau

Schedule Update

• 82.0b2 on beta at 50%
• 82.0b3 gtb later today, will ship at 100%

• first fenix 82 beta going out at 100%

• 81.0 updates throttled yesterday per normal practice
  • Will likely unthrottle updates later today after a more thorough look for blockers

Desktop Stability

Nightly

mc2 crash rate: 1.72, crash incidence: 2.10%, mc1 summary score: 5.92

• no 10am UTC Nightly on Wednesday and further due to various issues
• Crash in CreateLoadingSessionHistoryEntryForLoad() in test_ext_webnavigation.html with SessionHistoryInParent
• https://bugzilla.mozilla.org/show_bug.cgi?id=1665710
  • FIXED

Beta

mc2 crash rate: 9.48 (+500%), crash incidence: 1.84% (+50%), mc1 summary score: 6.25

• Crash in [@ mozilla::dom::`anonymous namespace'::WebProgressListener::OnStateChange]
  • 1.95% of browser crashes
  • spiking across channels since ~September 11
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1664542
• Crash in [@ shutdownhang | mozilla::SpinEventLoopUntil<T> | mozilla::dom::quota::QuotaManager::Observer::Observe]
  • 1.7% of browser crashes
  • been around for a while, seems mostly stalled
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1542485
• Crash in [@ OOM | large | NS_ABORT_OOM | nsTArray_base<T>::EnsureCapacity<T> | nsTArray_Impl<T>::SetLength<T> | nsPrinterWin::DefaultSettings]
  • already has a patch
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1667032

Release

mc2 crash rate: 1.48, crash incidence: 0.91%, mc1 summary score: 5.29

• #3 Bug 1661485: [@ mozilla::widget::WindowHook::AddMonitor]
• #5 Bug 1664542: [@ mozilla::dom::`anonymous namespace'::WebProgressListener::OnStateChange]

Mobile Stability

Fenix

• Early data for bug 1666246 suggests fix is working (should know better by next week)

QA

[mboldan]

• macOS 11 Big Sur - Public Beta 4 - 1 new issue - https://bugzilla.mozilla.org/show_bug.cgi?id=1667098

Nightly

Aurora / Dev Edition

Beta

Mobile

[lapahidean]

• Firefox Preview 81.1.1 RC1 signed off with status GREEN
• Firefox Preview 82.0.0-beta.1 Sign of will be sent by EOD

Action items

Feature Status Review

SUMO Report

Roundtable & Special Topics

Post-Mortem (Tues 2wks from GA Release)