Firefox/Channels/Meetings/2020-12-17

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Channel Meeting Details

• Tuesdays at 10am and Thursdays at 7:30am 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

REMEMBER

These notes are read by people who weren't able to attend the meeting. Please make sure to include links and context so they can be understood.

Attendees

jcristau, Aryx, RyanVM, ajoltan, pascal, tbabos, ebalazs, sbadau, phorea, mlobontiuroman, lapahidean, aflorinescu,

Schedule Update

• 84.0 rollout @ 0%, unthrottling decision coming today
• 84.0.1 likely coming before the holidays

• 85
  • 85.0b2 at 50%
  • 85.0b3 gtb later today, should roll out at 100%
  • 85.0b4 gtb Sunday
  • 85.0b5 gtb January 5 after a 2-week pause

• fenix beta 85 almost ready
  • some AC fixes to uplift as well

• fenix 84 @ 25%, going to 100% soon
• focus 8.11.1 @ 25%, going to 100% soon

Desktop Stability

Nightly

mc2 crash rate: 1.74 (-0.54 compared to last Thursday), crash incidence: 1.91% (-0.17pp), mc1 summary score: 7.12

• https://bugzilla.mozilla.org/show_bug.cgi?id=1682566 macOS 11 arm startup crash in [@ core::ops::function::Fn::call] -> has fix in inbound
• https://bugzilla.mozilla.org/show_bug.cgi?id=1680932 RDD process crash in [@ syscall | numa_init] due to get_mempolicy -> no assignee
• https://bugzilla.mozilla.org/show_bug.cgi?id=1682141 Crash in [@ swgl::swgl_fns::Template:Impl::shader_source] -> fix seems not effective
• + same bugs blocking beta

Beta

mc2 crash rate: 11.54 (+9.29), crash incidence: 2.00% (+0.55p), mc1 summary score: 23.48

• Crash in [@ mozilla::dom::(anonymous namespace)::PrepareDatastoreOp::NestedRun]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1682639
  • fix going into b3

• Crash in [@ core::option::expect_failed | core::ops::function::FnOnce::call_once<T>]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1682638
  • has a patch on autoland, should go in b3

• Crash in [@ mozilla::ipc::FatalError | mozilla::ipc::IPDLParamTraits<T>::Read]
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1682877
  • printing regression
  • looks like a clean backout in case we don't get a fix

• Media playback fails when RDD is enabled (not a stability issue, but...)
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1682834
  • under investigation, seems to affect some windows users so far

• gamepad crashes
  • looking at a partial backout (https://bugzilla.mozilla.org/show_bug.cgi?id=1657404#c42)

Aiming to have as much as possible of the above taken care of in 85.0b4 (i.e. before the break)

Release

mc2 crash rate: 1.16 (-0.06), crash incidence: 1.00% (+0.21pp), mc1 summary score: 4.75

• Bug 1682881 - Hangs with smart cards, already fixed in 85+.
  • NSS update coming in bug 1683004.
• Bug 1644240 - Crash with Kaspersky AV
  • Not a new issue but showing up high in the early topcrash data
• Bug 1678406 - Crash with Trusteer

QA

Nightly

[Adrian] Fx86 webRTC testing in progress

Release

[Adrian]

• M1 Apple Silicon Support - Intel only try-build testing for P1 areas is finished - Green color - we will continue with the lower priority areas
• SAO with UA update (PI-900) - blocked atm - ready to accomodate as top priority when unblocked

Mobile

[Laurentiu]

• RC 84.1.0 - status GREEN
• Lockwise v4.0.3-RC1 - status GREEN
• Focus 8.11.1 - GV 84 - status GREEN
• RC 84.1.1 - status GREEN
• Beta 85.0.0-beta.1 - testing in progress, sign-off by tomorrow EOD

Roundtable & Special Topics

• https://twitter.com/firefoxbeta Covers Beta events and features, gathers feedback from users, gives visibility to the beta channel
• No REO yet for 86, overholt helping on this

Post-Mortem (Tues 2wks from GA Release)

• Fx84 PM coming second week of January most likely once people are back from PTO