Firefox/Channels/Meetings/2021-04-20
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
telin, Tania, Aryx, RyanVM, pascal, JR, kbrosnan
Schedule Update
- 88.0 launched yesterday @ 25%, updates now at 0%
- No obvious blockers to unthrottling at this time, likely will go to 100% tomorrow
- Fenix 88.1.1 will also be unthrottled tomorrow
- 78.10esr live @ 100%
- No updates no Focus 8.15 release
- Desktop & DevEdition 89.0b1 live @ 25%
- 89.0b2 gtb today, possibly Fenix 89.0.0-beta.1 also
Release quality metrics (Tuesdays)
- Stability too early for 89 yet since first week of cycle
- Some possible page load regressions in early 89 data
- Possibly Proton-related?
Desktop Stability
Nightly
mc2 crash rate: 2.27 (+0.09 compared to previous week), crash incidence: 1.70% (-0.09pp)
mc1 crash rate: 5.19 crashes/1k usage hours (-0.77 compared to previous week)
- Linux Startup Crash in [@ mozilla::detail::MutexImpl::~MutexImpl | __run_exit_handlers] in latest Nightly
- https://bugzilla.mozilla.org/show_bug.cgi?id=1706408
- 10 affected installations so far
- likely regressor identified and developer (APAC resident) needinfoed, waiting for reply before the next Nightly starts
Beta
mc2 crash rate: N/A (data is still for 88.0 release candidate)
mc1 crash rate: N/A
- not enough data for 89.0b1 after shipping got delayed by observed hangs on startup: https://bugzilla.mozilla.org/show_bug.cgi?id=1706219
- issue not reliably reproducible
Release
mc2 crash rate: 1.94 (+0.52), crash incidence: 0.82% (+0.15pp)
mc1 crash rate: N/A (dashboard claims 6.71 but due do the release on Monday instead of Tuesday the user population is smaller than usual)
- Bug 1691774 [@ memcpy | mozilla::ClientWebGLContext::DoReadPixels] continues to be a top crash
- Bug 1705762 [@ TraverseInnerLazyScriptsForLazyScript]
- Bug 1694104 [@ kobs4j_d.dll]
- Startup Crash in [@ std::ffi::os_str::OsString::into_string] for Chinese x86 builds on Windows 7
Mobile Stability
Fenix
- Fenix 88 stability looking likely to be similar to 87 (a big higher than target)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1706380
QA
Nightly
- PI Request and feature tech docs due: April 22
- Tracking 2 PI requests for Desktop QA so far
Aurora / Dev Edition
Beta
- Overall QA Status for Proton: At Risk, due to Red Nightly Reports
- Context Menu - Bugs causing red status got fixed, no new regressions reporte status changed to "On Track"
- Elastic Overscroll - Bug fixes is in progress, stretch goal for 89
- Panels - 10 out of 27 QA reported bugs got fixed, still some P1 and P2a bugs are open
- Beta testing has started this week
- Icon verification is in progress
- E2E test report (1st batch) coming next week, April 27th
Mobile
Action items
Feature Status Review
- Fx89 Beta considered 'On Track'
- Some challenged areas within the Platform team. Mostly working through ref test failures. Team is confident they will be resolved by their established go/no-go date of April 23rd.
- Elastic overscroll remains challenged but is a stretch goal for Proton. Team is holding a go/no-go for this feature on April 23rd.
- Fx90 Nightly feature list is being pulled together.
- LSNG is back and looking to target Fx90. Intention is to have this enabled for 1 full cycle before going out with ESR in Fx91
- Fission Rollout planned for Nightly Fx90. Experiment underway.(continued expansion of rollout to additional users in Fx91/92)
SUMO Report
Roundtable & Special Topics
- Release Post mortem and escaped bugs
- these meetings next week vs. week with less meeting
