Firefox/Channels/Meetings/2021-05-25

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

pascal, RyanVM, TaniaM, Aryx, bittin, telin, dveditz, JR, kbrosnan

Schedule Update

• Desktop 89 RC shipped today
• Go to build for Fenix 89 RC planned for today

Release quality metrics (Tuesdays)

Desktop Stability

Nightly

mc2 crash rate: 2.00 (-0.24 compared to previous week), crash incidence: 1.72% (-0.11pp)

mc1 crash rate: 4.07 crashes/1k usage hours

• Crash in [@ nsLayoutUtils::ShouldDisableApzForElement]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1712742
  • prominent content crash in the last 2 Nightly versions

• Crash in [@ mozilla::layers::LockD3DTexture<T>]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1709603
  • only affecting Nightly across multiple Gecko versions, behind a preference?
  • 50-100 crashes/day
  • stalled

Beta

mc2 crash rate: 1.79 (-0.37), crash incidence: 0.98% (-0.20pp)

mc1 crash rate: 2.55

• nothing unusual

Release

mc2 crash rate: 1.39 (-0.05), crash incidence: 0.66% (-0.03pp)

mc1 crash rate: 1.33

• temporary increase in crash signatures associated with old style add-ons in China getting updated

Mobile Stability

Fenix

QA

Nightly

• Kick-offs and test planning in progress
• Background Update Agent - on track, nightly test report wasn't required
• Nightly Regression testing - planned for this week
• PI created for proton p2 bug backlog work
• [PI-1030] PDF.js JS and XFA - yet to land/not testable

Aurora / Dev Edition

Beta

• Pre-release sign-offs were completed last week
  • Panels, App Menu, Tabs bar, Infobars received yellow pre-relase sign-offs
  • Details:https://trello.com/invite/b/en2tOql1/914684f59023104bf71ed90db327c654/desktop-qa-firefox-feature-status
• RC Build validation is in progress
• Proton Retrospective - Testing feedback to be discussed tomorrow

Mobile

Action items

Feature Status Review

• Firefox 89 Beta - Feature remain a GO.
  • No major concerns outstanding.
• Firefox 90 Nightly
  • Support of XFA PDF.js remains CHALLENGED. Engineering reported low confidence this will be ready in time. Likely to slip to Fx91. Waiting on a go/no-go update from Marco C.
  • LSNG remains planned for Fx90 and Fx91 Gradual rollout via experimenter

SUMO Report

• Widevine: https://bugzilla.mozilla.org/show_bug.cgi?id=1705138
  • mitigation response: KB article + common response for contributors. Waiting on confirmation of issue hitting 89 before public comms.

Roundtable & Special Topics

Post-Mortem (Tues 2wks from GA Release)