Firefox/Channels/Meetings/2020-08-27
From MozillaWiki
Channel Meeting Details
- Tuesdays at 10am and Thursdays at 8am 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
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.
Contents
Attendees
jcristau, ajoltan, mberlinger, cionce, ebalazs, Aryx, tzsoldos, obotisan, phorea, cfogel
Schedule Update
- 80.0 updates at 25% tuesday, disabled wednesday
- ESR 78.2 and 68.12 shipped tuesday
- last planned esr68 release
- fenix 79.0.5 rollout complete (US/CA as of today)
- 81.0b1 at 25% on tuesday, 81.0b2 at 50% wednesday, 81.0b3 at 100% tomorrow
Desktop Stability
Nightly
mc2 crash rate:1.31 (-23% mostly less content crashes), crash incidence: 1.65% (-14%), mc1 summary score: 5.43
- memcpy | nsJARInputStream::Read
- 6.8% of all crashes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1551562
- core::option::expect_none_failed | remote::startup::handler::new_remote_agent_handler
- 1.06% of all crashes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1660893
- no assignee yet, but discussion and investigation
- RetainedDisplayListBuilder::MergeDisplayLists
- 1.73% of all crashes combined
- recent regression, fixed in https://bugzilla.mozilla.org/show_bug.cgi?id=1660490
- we will have to check if this also fixes MergeState::ProcessItemFromNewList
- nsGlobalWindowOuter::Print
- 0.78% of all crashes
- regressor identified, developer is working on a fix
Beta
mc2 crash rate: 2.25(+8.3%), crash incidence: 2.6% (+70%), mc1 summary score: 10.48
- mozilla::ErrorLoadingSheet
- fixed by backout in 80.0 rc2 but still with us in 81
- 14.76% of browser crashes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1656261
- memcpy | nsJARInputStream::Read
- 12.43% of browser crashes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1551562
Release
mc2 crash rate: 1.44 (-6.2%), crash incidence: 0.89 (-31%)%, mc1 summary score: 6.20
- shutdownhang | mozilla::TaskController::GetRunnableForMTTask | mozilla::SpinEventLoopUntil<T> | mozilla::Preferences::SavePrefFileBlocking
- 2.26% of browser crashes
- https://bugzilla.mozilla.org/show_bug.cgi?id=1636925 (wontfix)
- mozilla::widget::WindowHook::AddMonitor
- 1.9% of browser crashes
- mostly affecting German builds
- https://bugzilla.mozilla.org/show_bug.cgi?id=1661485
- mozilla::gfx::Matrix4x4Typed<T>::PreScale
- 1.3% of browser crashes + 1.44% of content crashes
- cpu-specific crash (intel gemini lake)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1661169
Mobile Stability
Fenix
- May have a fix for the 79.0 top crash https://bugzilla.mozilla.org/show_bug.cgi?id=1659850
QA
Nightly
Aurora / Dev Edition
Beta
[cionce]
- In progress: Regression testing round 1
- One bug uncovered so far - https://bugzil.la/1661253
- WebRTC testing also in progress - no issues so far.
- Modernized Print UI - Ongoing Nightly 82 exploratory test run for Bug 1636728 (Considered high risk of causing regressions).
- First feature OFF state test run in 81 Beta starts tomorrow
[cfogel]
- PDF improvments - Update pdf.js to version 2.6.302 caused several new issues, that are already in attention of Feature Owners
[dcicas]
- Language packs updates - We are currently updating the Test Plan and High Level Test Cases to resolve what issues we had and things should be on schedule
Mobile
[ebalazs]
- Firefox 80.0.1-RC.1 and Firefox 80.1.0-RC.1 - signed off with status GREEN
- Focus Beta 8.7.1 GV 80 - signed off with status GREEN
Action items
Feature Status Review
SUMO Report
Roundtable & Special Topics
- [julien] we might need to find a new time for this meeting as it looks like it's going to clash with the platform and desktop org meetings going forward. earlier is harsh on Pacific time, later is harsh for Romania. stay tuned.