Firefox/Channels/Meetings/2021-03-16

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, jcristau, kbrosnan, Aryx, tmaity, telin

Schedule Update

• 86.0.1 bumped to 100% rollout yesterday

• desktop 87.0-build2 live on beta
• fenix 87.0.0-beta.6 live

• expect fenix 87 rc build today or tomorrow

• 78.9.0esr ready on esr-localtest

Desktop Stability

Nightly

mc2 crash rate: 2.01 (-0.05 compared to previous week), crash incidence: 1.59% (-0.03pp)

• [@ core::option::expect_failed | webrender::spatial_tree::SpatialTree::get_relative_transform_with_face]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1427792
  • Increased crash frequency on Nightly
• Permanent content crashes in [@ DdQueryDisplaySettingsUniqueness], [@ GdiEntry13] with win32k lockdown enabled - many crashes
• No need to worry because this is an experimental setting which the user has to enable manually and is only available in Nightly
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1698732

Beta

mc2 crash rate: 1.67 (-0.24), crash incidence: 1.02% (-0.34pp)

Release

mc2 crash rate: 1.56 (+0.14), crash incidence: 0.85% (+0.10pp)

• Nothing new, 86.0.1 fixes look good
• https://bugzilla.mozilla.org/show_bug.cgi?id=1567491 Crash in [@ shutdownhang | nsThread::Shutdown | mozilla::LazyIdleThread::ShutdownThread]
  • got frequent in late January with Firefox 85, did it get investigated in a different bug?

Mobile Stability

Fenix

• Release crash rate is less than half of target. https://sql.telemetry.mozilla.org/queries/75521 [internal only]
• Beta looks good nothing alarming for the 87 release

QA

Nightly

• test reports sent for the features landed, testing is in progress as code lands this week as well
  • Proton Tabs bar - Yellow report due to large number of bugs reported, 2S2s got closed
• E2E test plan is ready for review: https://docs.google.com/document/d/1wnk87VFvfEf_y1xzaeyyMruWb9jgQtOs0gYabRG91Kc/edit#heading=h.m8k12midmnd2

Aurora / Dev Edition

Beta

• Pre-release sign-offs were sent last week, no major concerns
  • Proton: New AppMenu/Library Menu, Tabs Bar, Address Bar - Off mode testing completed, no critical bugs found
  • The Topsites - Move to Remote Settings - GREEN sign-off
  • Installer Telemetry - GREEN sign-off
  • Quick Suggest - Test Report was sent, no new bugs
  • Find Toolbar's highlight mode should show matches next to or on top of scrollbar (bugwork)-Completed

Mobile

Action items

Feature Status Review

• Firefox 87 is GREEN as most features have been confirmed with owners as ready to ride the trains
  • Waiting to get some clarity around (op Sites - move to Remote Settings). I think we're OK here but the transfer of EPM ownership is causing some delays in reporting.
• Firefox 88 is GREEN as feature list is light and ready for merge across the board
  • Facing some similiar issues getting updates from Search as mentioned above.

SUMO Report

Roundtable & Special Topics

Post-Mortem (Tues 2wks from GA Release)

• 86 PM later today: https://docs.google.com/document/d/1IQhO7pvIDWOu5Z2k5_8ThoQZ_84JWvsZiaAEaa0TdmI/edit?usp=sharing