Firefox/Channels/Meetings/2021-03-30
From MozillaWiki
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
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
RyanVM, Aryx, kbrosnan, jcristau, Tania, dveditz
Schedule Update
- 87.0.1?
- no driver at this point; keeping an eye on things, and collecting ridealong candidates
- Desktop 88.0b4 & Fenix 88.0.0-beta.2 live @ 100%
- 88.0b5 gtb today
- 88.0.0-beta.3 gtb tomorrow
Release quality metrics (Tuesdays)
- https://docs.google.com/spreadsheets/d/150qjJLObI1znPL-G4k_El4Mngzp1sldqSpWtKx9FP1I/edit#gid=2001966646
- MC1 crash rate high (see discussion below) due to big b3 Windows spike, but b4 rate looks better
- Perf metrics in line with previous cycles
- a11y bugs creeping up
Desktop Stability
- MissionControl v2 doesn't return correct data: https://bugzilla.mozilla.org/show_bug.cgi?id=1696494#c3
- adding MissionControl v1 back to this meeting
- Ryan in discussion with data team about MissionControls future, this will be very likely a part of the discussion
Nightly
mc2 crash rate: 1.94 (-0.07 compared to previous week), crash incidence: 1.71% (+0.12pp)
mc1 crash rate: 12.60 (+8.26) crashes/1k usage hours
- 4 crashes which required reverts of changes (and increased the crash rate
- else no big issues
Beta
mc2 crash rate: 1.94 (+0.27), crash incidence: 1.56% (+0.54pp)
mc1 crash rate: 8.64 (+4.19)
- Windows Crash with x86 builds in [@ std::_Throw_Cpp_error] involving hundreds or thousands of threads
- https://bugzilla.mozilla.org/show_bug.cgi?id=1701570
- ~25 affected installations per beta version
- related to OOMs
- maybe related to bug 1699224?
Release
mc2 crash rate: 1.33 (-0.23), crash incidence: 0.74% (-0.11pp)
mc1 crash rate: 2.08 (+0.66)
Mobile Stability
Fenix
- Bit of a regression in stablity in 87 with respect to 86
- Seems a bit is from https://github.com/mozilla-mobile/fenix/issues/18155 mostly CN users
- Ryan wonders if this is related to https://bugzilla.mozilla.org/show_bug.cgi?id=1552099
- The other new items are a set of Adreno graphics crashes that I think are covered by https://bugzilla.mozilla.org/show_bug.cgi?id=1609191
QA
Nightly
- Fx89 Nightly testing is in progress, so far no critical issues
- Received 2 new PI tickets , one is off-train, other one (PI-1018) is already covered in existing Proton work. we are in touch with WebRTC team to get it clarified
- Missing trello cards for 2 PI tickets [PI-984] Proton: Elastic overscroll, [PI-988] Proton: Menu Notifications
- Proton Eng team confirms that they are on track as per the revised dates
- Background Update Agent, testing request timeline has been changed from Fx90 to Fx89 - QA bandwidth is a problem due to ongoing Proton testing
Aurora / Dev Edition
Beta
- Proton pref'd off testing has started. Test Reports will be provided by the pre-relase sign-off date
- WebRender software fallback got tested in Beta and received Pre-Release QA sign off (GREEN)
