Firefox/Channels/Meetings/2019-12-17

Channel Meeting Details

• Tuesdays 10am and Thursdays at 8am Pacific Time
• irc.mozilla.org #planning for backchannel

Video/Teleconference Details

• Zoom Meeting ID: 266 532 573
• https://mozilla.zoom.us/j/266532573
• +17207072699,,266532573# US
• Find your local number: https://zoom.us/u/agItTmqIu

Attendees

• marcia, philipp, jcristau, RyanVM, telin, overholt, Ritu,Tania

Schedule Update

Current releases dashboard: https://mozilla.github.io/delivery-dashboard

• No 71 dot release planned
  • Pascal on PTO starting tomorrow until EOY. Ryan is secondary in case of need for 71

[julien]

• 72.0b7 shipped yesterday
• 72.0b8 shipping tomorrow
  • started pushing back on some uplift requests, expecting things to slow down next week
• preliminary QA status reports are coming in, with pre-release signoffs due in a week
• only 2 beta builds next week - skipping the one on christmas day

• Fennec 68.4b2 shipped today @ 100%

Release metrics

Report on release criteria metrics from DRIs https://docs.google.com/spreadsheets/d/10VEf3__QCWDb4EGom-W6qGPlu71R_fDQiTCLc-7Sggo/edit#gid=701685118

• Stability
• Performance
• Security
• Functionality

Off-train releases

Current Shield studies: https://strategy-and-insights.mozilla.com/shield-studies/index.html

Stability

Nightly

Today Crash Rate overall 2.0 Crash Incidence overall 2.22%, Mission Control v1 rate 4.78 Thursday Crash Rate overall 2.15 Crash Incidence overall 2.17%, Mission Control v1 rate 4.74

• Fission regression which started in 12/13 build https://bugzilla.mozilla.org/show_bug.cgi?id=1603976
• Telemetry crash https://bugzilla.mozilla.org/show_bug.cgi?id=1603714 spiked on 12/11
• WR crash https://bugzilla.mozilla.org/show_bug.cgi?id=1589800 seems to be increasing in volume
• XPCOM crash which started on 12/10 is fixed https://bugzilla.mozilla.org/show_bug.cgi?id=1603153

Beta

Today Crash Rate overall 1.72 Crash Incidence overall 1.40%, Mission Control v1 rate 4.61 Thursday Crash Rate overall 1.86 Crash Incidence overall 1.15 %, Mission Control v1 rate 4.72

• MCv2 reporting Linux in the red zone
  • Usage is low on beta so could be an artifact of that

[72.0b]

• Content crashes in mozilla::gfx::RecordedEventDerived<T>::RecordToStream: https://bugzilla.mozilla.org/show_bug.cgi?id=1600491 - 1.9% of tab crashes
  • patched in nightly
• Content crashes in [@ gl::Program::getInfoLogLength]: https://bugzilla.mozilla.org/show_bug.cgi?id=1601703 - 0.6% of tab crashes
• Crashes in [@ mozilla::ipc::ProcessLink::SendMessage | IPC_Message_Name=PWindowGlobal::Msg_RawMessage]: https://bugzilla.mozilla.org/show_bug.cgi?id=1604564 - 0.5% of browser crashes
  • signature covers multiple different problems; increasing in 72

• uplifts we took, where crashes still continue after a patch landed:
  • osx 10.9 gfx crash: https://bugzilla.mozilla.org/show_bug.cgi?id=1602813
  • webrtc shutdownhang: https://bugzilla.mozilla.org/show_bug.cgi?id=1601992

Release

Today Crash Rate overall 1.45 Crash Incidence overall 1.02%, Mission Control v1 rate 3.17 Thursday Crash Rate overall 1.45 Crash Incidence overall 0.94%, Mission Control v1 rate 3.23

[71.0]

• Async shutdown timeout after ant video downloader extension version update: https://bugzilla.mozilla.org/show_bug.cgi?id=1443544 - 0.4% of browser crashes
• Crash in [@ OOM | large | ... | mozilla::gfx::SourceSurfaceRawData::GuaranteePersistance]: https://bugzilla.mozilla.org/show_bug.cgi?id=1604535 - 0.4% of tab crashes

[esr]

• startup crash spike last thursday on 68esr: https://bugzilla.mozilla.org/show_bug.cgi?id=1603684
  • volume decreasing by now

Mobile

• Crash rate is calculated based on usage hours (the time Firefox is actively used).
• Usage hours will be significantly lower on Fennec than on desktop Firefox, so we can't compare mobile rates to desktop rates.

Nightly

fennec nightly summary score: 46.28, Thursday nothing reported

• Top crashes are https://bugzilla.mozilla.org/show_bug.cgi?id=1527243 and https://bugzilla.mozilla.org/show_bug.cgi?id=1532456

Beta

fennec beta summary score: 47.53, Thursday nothing reported

• Nothing specific to highlight for beta

Release

fennec release summary score: 16.78, Thursday nothing reported

• https://bugzilla.mozilla.org/show_bug.cgi?id=760394 continues to be the top crash with almost 15K in crashes
• Filed https://bugzilla.mozilla.org/show_bug.cgi?id=1604540 to account for an increase in crashes starting in mid July in this signature

Fenix/Firefox Preview

• 3.0 has been released and 3.0.1 is in the works
  • No Socorro data for 3.0 release yet - see https://bugzilla.mozilla.org/show_bug.cgi?id=1604182
  • We have Sentry and GPS data
• Fenix nightly had a large crash spike https://mzl.la/2PwsC59 related to the back button
  • https://github.com/mozilla-mobile/fenix/issues/7174

QA

Nightly

• feature prioritization completed.
  • https://docs.google.com/spreadsheets/d/1zzd0384V9FZ0bWyU4QDofvU04vChEdKKak-1Dtro3Gs/edit#gid=125650106
• Search Modernization is now targeting Fx74

Aurora / Dev Edition

Beta

• Prelim Status Reports from QA
  • Needs attention (Yellow sign-off indicated)
    • Search Probe/Telemetry Improvements - 1603755 and 1604520
    • DNS over HTTPS (SAO v1.3) - 1603691 and 1603478

Action items

Mobile Stability

SUMO Report / User Advocacy

Roundtable

• [marcia] Will there be a Channel Meeting on 12/24? It is a U.S. Holiday, but not a holiday everywhere
  • [julien] I'd vote to cancel
    • Meeting will be cancelled on calendar

Special Topics

Post-Mortem (Tues 2wks from GA Release)

• 71 postponed to Jan 7, 10AM PST, https://pad.mozilla.org/p/firefox71-postmortem