Firefox/Channels/Meetings/2018-09-18

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

marcia, RyanVM, jcristau, philipp, pascal, Ryan's cat, dveditz, Sebastian, Tom, Thomas,tania

Schedule Update

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

• 63.0b7 shipped today for fennec/firefox/devedition

• 62.0.2 gtb hopefully tomorrow - https://docs.google.com/spreadsheets/d/14GCb_EhKPmmjKf7YhBUdrZDVZaV76ruZEeikShlVwSU/edit#gid=1009056035

• ESR 60.2.1

Off-train releases

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

• telemetry-coverage SAO on release

Stability

Nightly

firefox nightly summary score: 6.04, Thursday 3.54

• MC shows a spike in content crashes across all three platforms
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1489735 was one spike on Linux
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1492031 was quite high cross platform, almost 7000 crashes in 20180917220115
  • Recently filed regression https://bugzilla.mozilla.org/show_bug.cgi?id=1492034 also is high, over 3700 crashes
    • (julien) nightly updates were disabled for the last 2 at ~07:30 UTC, fixed build with backout came out shortly after 13:00 UTC today
• Core | XPConnect regression https://bugzilla.mozilla.org/show_bug.cgi?id=1491533 has been fixed, affected Firefox and Fennec

Beta

firefox beta summary score: 3.21, Thursday 3.14

• JS Crash https://bugzilla.mozilla.org/show_bug.cgi?id=1490009 is still visible in the recent b6
• https://bugzilla.mozilla.org/show_bug.cgi?id=1490585 - 14% of browser crashes
  • fix landed for b8
• long running startup crashes that seem to increase in volume during 63.0b (low number of installs though):
  • mozilla::Preferences::AddBoolVarCache (omni.ja corruption): https://bugzilla.mozilla.org/show_bug.cgi?id=1276488 - 3.7% of browser crashes
  • ErrorLoadingSheet (low disk space during updates): https://bugzilla.mozilla.org/show_bug.cgi?id=1303764 - 2.6% of browser crashes
• unsymbolized xul crashes with MOZ_CRASH(IPC FatalError in the parent process!): https://bugzilla.mozilla.org/show_bug.cgi?id=1491340 - 2.1% of browser crashes
  • needs investigation
• tab crash in OOM | large | ... | js::gc::AllocateCellInGC: https://bugzilla.mozilla.org/show_bug.cgi?id=1488164 - 7.6% of content crashes
  • needs investigation
• tab crash in scdetour.dll@0x2dd77 ("Quick Heal" security software): https://bugzilla.mozilla.org/show_bug.cgi?id=1489041 - 2.8% of content crashes
  • 3rd party vendor is investigating

Release

firefox release summary score: 2.57, Thursday 2.97

• https://bugzilla.mozilla.org/show_bug.cgi?id=1464938 is rising on release, specifically the Firefox Monitor signature
  • the signature for Monitor alone is 2.5% of browser crashes at the moment
• a11y related signature jumping up since 2018-09-11: https://bugzilla.mozilla.org/show_bug.cgi?id=1419108 - 2.5% of browser crashes

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: 19.84, Thursday 20.30

• • https://bugzilla.mozilla.org/show_bug.cgi?id=1492183 is not new, but visible on release. API 26 only is affected.

• Beta

fennec beta summary score: 34.67, Thursday 34.96

• • New crash https://bugzilla.mozilla.org/show_bug.cgi?id=1491844 is still visible in b5, #4 top crash. Not much to go on at the moment.

• Nightly

fennec nightly summary score: 33.60, Thursday 33.27

• • Top crash https://bugzilla.mozilla.org/show_bug.cgi?id=1491530 was resolved by a backout
  • hhttps://bugzilla.mozilla.org/show_bug.cgi?id=1492206 emerged as a new regression in the build from the 17th

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)

https://public.etherpad-mozilla.org/p/62-0-Post-Mortem