Firefox/Channels/Meetings/2019-06-11

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

Aryx, jcristau, pascalc, philipp, marcia, dveditz, tania, RyanVM

Schedule Update

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

• 67.0.2 shipped today at 25% (desktop+fennec)

• 68.0b9 shipping today
• 68.0b10 gtb Thursday
  • last chance for bigger changes e.g. related to about:addons and lsng
  • should include a fennec build, off mozilla-esr68 \o/

Off-train releases

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

Stability

Nightly

firefox nightly summary score: 6.50, Thursday 4.99

• Large two day spike in CSS https://bugzilla.mozilla.org/show_bug.cgi?id=1557403
• #9 macOS 10.15 crash https://bugzilla.mozilla.org/show_bug.cgi?id=1556076 is resolved fixed and has been uplifted
  • There are still a number of single installation macOS 10.15 crashes that don't have useful stacks
• Small spike in Core | Editor https://bugzilla.mozilla.org/show_bug.cgi?id=1558412

Beta

firefox beta summary score: 3.32, Thursday 3.79

[68.0b8]

• Core | Web Painting spike in b8. Currently looking for the cause - https://bugzilla.mozilla.org/show_bug.cgi?id=1348503 - 3.9% of content crashes
  • likely introduced by the uplift of https://bugzilla.mozilla.org/show_bug.cgi?id=1547624
• plugin shutdownhang | mozilla::ipc::GeckoChildProcessHost::WaitUntilConnected: https://bugzilla.mozilla.org/show_bug.cgi?id=1541344 - 1.5% of browser crashes

[read-only] crashers with potential fixes:

• (patch in b9) Crash in [@ mozilla::dom::quota::QuotaObject::LockedMaybeUpdateSize]: https://bugzilla.mozilla.org/show_bug.cgi?id=1516333 - 1.9% of browser crashes
• (patch in b10) Crash in [@ mozilla::dom::(anonymous namespace)::QuotaClient::ShutdownTimedOut]: https://bugzilla.mozilla.org/show_bug.cgi?id=1541928 - 1.7% of browser crashes
• (patch in b10) Crash in [@ OOM | large | NS_ABORT_OOM | nsTSubstring<T>::SetLength]: https://bugzilla.mozilla.org/show_bug.cgi?id=1508740 - 1.6% of content crashes
• (patch in nightly) AsyncShutdownTimeout | ... | EnvironmentAddonBuilder: https://bugzilla.mozilla.org/show_bug.cgi?id=1555632 - 1.3% of browser crashes
• (patch on inbound) Crash in [@ logging::LogMessage::~LogMessage]: https://bugzilla.mozilla.org/show_bug.cgi?id=1555076 - 0.5% of browser crashes
• (has a potential patch) Websockets crash: https://bugzilla.mozilla.org/show_bug.cgi?id=1555322 - 0.5% of content crashes

Release

firefox release summary score: 2.31, Thursday 2.52

• No new signatures in the top 20

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.

• Release

fennec release summary score: 10.69, Thursday 10.92

• • Filed https://bugzilla.mozilla.org/show_bug.cgi?id=1558546 to account for the #2 top crash. Not a new crash

• Beta

fennec beta summary score: 67.77, Thursday 74.14

• • Small volume editor crash in b5 https://bugzilla.mozilla.org/show_bug.cgi?id=1558249
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1551205 is still the top crash in beta.
  • Devs still need to investigate https://bugzilla.mozilla.org/show_bug.cgi?id=1556083

• Nightly

fennec nightly summary score: 100.12, Thursday 104.25

• • Small spike with https://bugzilla.mozilla.org/show_bug.cgi?id=1557661. The regressing bug was backed out

• Fenix
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1558282 filed to investigate the #2 overall crash showing up
  • P1 crash https://bugzilla.mozilla.org/show_bug.cgi?id=1557449 continues to top the crash list. Still under investigation

QA

Nightly

Aurora / Dev Edition

Beta

Action items

Mobile Stability

SUMO Report / User Advocacy

Roundtable

Special Topics

Aurora/Beta Feature Review

Post-Mortem (Tues 2wks from GA Release)