Firefox/Channels/Meetings/2019-03-05

Channel Meeting Details

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

Video/Teleconference Details - NEW

• 650-903-0800 or 650-215-1282 x92 Conf# 99951 (US/INTL)
• 1-800-707-2533 (pin 369) Conf# 99951 (US)
• Vidyo Room: Release Coordination
• Vidyo Guest URL

Attendees

tania, reese, pascalc, philipp, RyanVM, Thomas, Ritu, Tom, Sebastian, Julian, Jordan, Liz, Marcia, THomas E., dveditz, overholt

Schedule Update

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

• 66.0b13 released this morning (fennec, desktop)
  • beta 14 coming up, then RC next week.
  • 2 blockers, one has a patch coming, the other, we have a decision where I need to consult the product team. (https://bugzilla.mozilla.org/show_bug.cgi?id=1518863)

Off-train releases

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

Stability

Nightly

firefox nightly summary score: 5.62, Thursday 4.87

• Massive crash spike in 3-2 build (over 25K crashes/~4000 installs)- https://bugzilla.mozilla.org/show_bug.cgi?id=1532054.
• WR regression that goes back to 2-10 - https://bugzilla.mozilla.org/show_bug.cgi?id=1532457
• Small volume Web Replay crash https://bugzilla.mozilla.org/show_bug.cgi?id=1532366

Beta

firefox beta summary score: 2.52, Thursday 2.57

• Fix pushed for reproducible tab crashes https://bugzilla.mozilla.org/show_bug.cgi?id=1521370

Release

firefox release summary score: 1.88, Thursday 1.91

• cpu-specific and build-specific crash [@js::frontend::NameOpEmitter::emitAssignment] reappearing in 65.0.2: https://bugzilla.mozilla.org/show_bug.cgi?id=1524257 - 1.4% of browser crashes
• Async Shutdown Timeouts from system addons in 65.0.1:
  • https://crash-stats.mozilla.com/signature/?product=Firefox&signature=AsyncShutdownTimeout%20%7C%20profile-change-teardown%20%7C%20Extension%20shutdown%3A%20fxmonitor%40mozilla.org#graphs
  • https://crash-stats.mozilla.com/signature/?product=Firefox&signature=AsyncShutdownTimeout%20%7C%20profile-change-teardown%20%7C%20Extension%20shutdown%3A%20webcompat%40mozilla.org#graphs

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: 22.07, Thursday 22.17

• • https://bugzilla.mozilla.org/show_bug.cgi?id=760394 and OOM crashes dominate the top of the crash landscape
  • Filed a new bug - https://bugzilla.mozilla.org/show_bug.cgi?id=1532704. This signature appears to be rising over time.

• Beta

fennec beta summary score: 19.98, Thursday 20.39

• • P1 crash https://bugzilla.mozilla.org/show_bug.cgi?id=1531047, volume is high on release and noticeable on beta. Liz following up.

• Nightly

fennec nightly summary score: 62.89, Thursday 61.53

• • https://bugzilla.mozilla.org/show_bug.cgi?id=1532456 is still around in small numbers, but the crash spike has been addressed
    • See https://bugzilla.mozilla.org/show_bug.cgi?id=1420745
  • Top crash in Web RTC is resolved fixed https://bugzilla.mozilla.org/show_bug.cgi?id=1530815
  • Small spike in arena_dalloc | Allocator<T>::free | r_assoc_destroy, but was last seen in 2-28 build

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)