Firefox/Channels/Meetings/2020-08-20

Channel Meeting Details

• Tuesdays at 10am and Thursdays at 8am 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

Attendees

RyanVM, Aryx, Luna, philipp, ebalazs, ohorvath, csasca, atrif, mboldan, obotisan, asoncutean, cionce, mberlinger, taniam, sflorean, snegritas, lapahidean, abodea

Schedule Update

• 80 RC2 live on Beta @ 100%
  • No RC3 respin drivers at the moment

• Nightly soft freeze started today

• Fenix 79.0.5 rollout started to 147 countries yesterday (remaining countries next week)

Desktop Stability

Nightly

mc2 crash rate: 1.66 , crash incidence: 2.01%, mc1 summary score: 4.84 tuesday mc2 crash rate: 1.83, crash incidence: 1.88%, mc1 summary score: 4.90

• [@ mozilla::layers::TexTypeForWebgl]: https://bugzilla.mozilla.org/show_bug.cgi?id=1656867 - 1.4% of content crashes
• [@ core::slice::slice_index_len_fail]: https://bugzilla.mozilla.org/show_bug.cgi?id=1655356 - 0.8% of browser crashes

Beta

mc2 crash rate: 2.11, crash incidence: 3.08%, mc1 summary score: 9.23 tuesday mc2 crash rate: 2.67, crash incidence: 3.34%, mc1 summary score: 9.86

[80.0rc2]

• patch for macos beta crashes successful: https://bugzilla.mozilla.org/show_bug.cgi?id=1657440
• backout of startup cache in https://bugzilla.mozilla.org/show_bug.cgi?id=1656261 successful; a bunch of signatures are gone:
  • [@ mozilla::ErrorLoadingSheet]: https://bugzilla.mozilla.org/show_bug.cgi?id=1656261
  • [@ AsyncShutdownTimeout | ... ServiceWorkerShutdownBlocker: shutting down Service Workers ]: https://bugzilla.mozilla.org/show_bug.cgi?id=1588152
  • [@ nsJARChannel::Open]: https://crash-stats.mozilla.org/signature/?product=Firefox&signature=nsJARChannel%3A%3AOpen
  • [@ shutdownhang | ... mozilla::scache::StartupCache::GetBuffer]: https://bugzilla.mozilla.org/show_bug.cgi?id=1656974

• some printing tab crashes (low volume):
  • nsDocShellTreeOwner::AddChromeListeners: https://bugzilla.mozilla.org/show_bug.cgi?id=1659758 - 0.5% of content crashes
  • mozilla::layout::PRemotePrintJobChild::SendInitializePrint: https://bugzilla.mozilla.org/show_bug.cgi?id=1658196 - 0.2% of content crashes (likely fixed on Nightly by bug 1659432)
  • nsPrintJob::IsThereARangeSelection: https://bugzilla.mozilla.org/show_bug.cgi?id=1660071 - 0.2% of content crashes
• gfx crash: https://bugzilla.mozilla.org/show_bug.cgi?id=1659826 - 0.8% of content crashes
• Crash in [@ mozalloc_abort | moz_xmalloc | mozilla::TransportLayerDtls::GetDecryptedPackets]: https://bugzilla.mozilla.org/show_bug.cgi?id=1659823 - 0.5% of content crashes

Release

mc2 crash rate: 1.47 (+4.8%), crash incidence: 1.29% (+73%), mc1 summary score: 2.59 tuesday mc2 crash rate: 1.48, crash incidence: 1.29%, mc1 summary score: 2.61

nothing to report - 79.0 is quiet in terms of stability

Mobile Stability

Fenix

QA

Nightly

[Anca] Modernized Print UI feature:

• Labeled as RED due to the high number of reported issues but as discussed with Engineering, the feature will be shipping to beta.
• Some of the stability & functionality issues were already fixed and verified
• Currently performing an exploratory & smoke test run targeting the feature in OFF state in the current Nightly (Having Omnibus in mind).

Aurora / Dev Edition

Beta

Mobile

[ohorvath]

• Firefox 80.0.1 beta1 (mistakenly tagged 81.0.0-beta.1) - status RED
• Firefox 80.0.1-beta.1 respin, beta.2 - status GREEN
• Firefox RC 79.0.5 - status GREEN
• Focus Beta 8.6.1 GV 79 - status GREEN

Action items

Feature Status Review

SUMO Report

Roundtable & Special Topics

• automated beta builds (starting with beta 2) start 5 hours earlier now (midnight Romanian time)
  • no builds? ask in #qa-coordination on Slack and ping jcristau / pascalc / Aryx

Post-Mortem (Tues 2wks from GA Release)