Firefox/Channels/Meetings/2021-04-06

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

jcristau, Aryx, RyanVM, kbrosnan, tmaity, pascal, dveditz, Thomas

Schedule Update

• no pwn2own chemspill this year
• expect 87.0.1 within a week or so

• 88.0b8 gtb today
• Fenix 88.0.0-beta.5 gtb Wednesday

Release quality metrics (Tuesdays)

• https://docs.google.com/spreadsheets/d/150qjJLObI1znPL-G4k_El4Mngzp1sldqSpWtKx9FP1I/edit#gid=2001966646
  • No big changes, perf numbers are noisy but stable

Desktop Stability

Nightly

mc2 crash rate: 1.87 (-0.04 compared to previous week), crash incidence: 1.60% (-0.11pp)

mc1 crash rate: 7.59 (-5.01)

• content crash increase over the last weekend
  • [@ webrender::picture::PicturePrimitive::take_context] / Hit MOZ_CRASH(Unable to find a bin!) at gfx/wr/webrender/src/texture_pack/guillotine.rs:33
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1702662

Beta

mc2 crash rate: 3.94 (+2.00), crash incidence: 1.26% (-0.30pp)

mc1 crash rate: 7.87 (-0.77)

• WR topcrashes are in better place than last week
• Investigation continuing in JS crash bugs
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1700586 [@ js::frontend::CompilationStencil::instantiateStencils]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1552099 [@ EnqueuePromiseReactionJob] spiking from zh-cn locales

Release

mc2 crash rate: 1.37 (+0.04), crash incidence: 0.68% (-0.06pp)

mc1 crash rate: 1.62 (-0.46)

• 87.0.1 hopefully fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1702019 - Firefox 87.0 topcrash in [@ JS_WrapValue] with Intel GeminiLake (UHD Graphics 600/605)

• Slack and other serviceworker sites sometimes not possible to get loaded
  • NS_ERROR_DOM_ABORT_ERR while opening web.telegram.org and slack.com (frequently involving hit quota limits)
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1678795
  • several affected users finding the bug per week or day
  • no telemetry to measure impact
  • no recently activity
  • next steps?
    • support article: Aryx to contact JR
    • ping developers: jcristau

Mobile Stability

Fenix

• Investigation underway for increased crash rate in 87 vs. 86
  • Feature work likely to be prioritized for the moment due to low overall rate vs. target

QA

Nightly

• Proton Features: Nightly testing (Pref's on testing) is in progress. Test Reports were published for the following workstreams
  • WebRTC Permission Panel - Nightly 88(Yellow)-→ Nightly 89 (Green) (Test Report), note: Icons haven't landed.
  • App Menu/Library Menu - Green (Test Report), note: new monogrammed FxA avatar work has not landed
  • Toolbar - Green (Test Report), note: Icons haven't landed
  • Tabs Bar - Nightly 88(Yellow)-→ Nightly 89 (Yellow due to large number of bugs, 12 new, 13 Known bugs)
    • https://docs.google.com/document/d/14UzZ9Y5qOmDJ0BSLZeeeyciHrS44X3LMjxQXwCDtbFs/edit#

Aurora / Dev Edition

Beta

• Beta 88 Pref’d off testing has started for Proton workstreams
• Test Reports (pref'd off testing) were published for the following workstreams
  • Double-tap to Zoom - Green (new bug 1702736 marked as WONTFIX)
  • Context Menus - Green
  • WebRTC Permission Panel - Green
  • Toolbar - Green ( new defects: 1700878 , 1700940, 1700907)
  • Infobars - Green (1 new bug, P5; 3 known bugs, https://mzl.la/3dHf3ub)

Mobile

Action items

Feature Status Review

• Contextual services changes originally targeting 88 were pushed out to 89

SUMO Report

Roundtable & Special Topics

• [Ryan] Weekly digest emails

Post-Mortem (Tues 2wks from GA Release)