Firefox/Channels/Meetings/2020-02-13

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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

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

RyanVM, jcristau, csasca, vlucaci, cionce, philipp, ccomorasu, mlobontiuroman, atrif, drus, tbabos, sdeiac, ebalazs, asoncutean, lapahidean,taniam, mberlinger, Aryx, btot

Schedule Update

• 73.0 updates will remain throttled at 0% until 73.0.1 is ready
  • 73.0.1 gtb hopefully Monday, aiming to ship Tuesday

• 74.0b2 shipped yesterday at 50%
  • automated betas had not been re-enabled so gtb was manual
  • further delayed by issues related to gcp switch
• 74.0b3 gtb today, will ship at 100% to all channels

• Monday 17-Feb is US & Canada Holiday

Release metrics

Report on release criteria metrics from DRIs

• Stability
• Performance
• Security
• Functionality

Desktop Stability

Nightly

mc2 crash rate: 1.37, crash incidence: 1.82%, mc1 summary score: 5.06 tuesday mc2 crash rate: 1.61, crash incidence: 1.82%, mc1 summary score: 12.17

• https://bugzilla.mozilla.org/1589800 - Hit MOZ_CRASH(assertion failed: child_index.0 >= parent_index.0) at gfx/wr/webrender/src/clip_scroll_tree.rs:260 being investigated, spiked on Nightly recently
• https://bugzilla.mozilla.org/1614259 - Still an important crasher in Nightly and Beta
  • escalated in the bug and slack
  • (with MOZ_DIAGNOSTIC_ASSERT it should 'only' affect devedition)
• https://bugzilla.mozilla.org/1612894 we have more crashes post fix than before, reopen?

Beta

mc2 crash rate: 1.73, crash incidence: 1.73%, mc1 summary score: 6.20 tuesday mc2 crash rate: 1.60, crash incidence: 1.11%, mc1 summary score: 33.96

[74.0b2]

• no crashing issues apparent so far that would need to holdup the rollout to 100% of users
• SW-e10s [@ AsyncShutdownTimeout | ... | ServiceWorkerShutdownBlocker: shutting down Service Workers]: https://bugzilla.mozilla.org/show_bug.cgi?id=1588152 - 1.6% of browser crashes
• some low volume signatures that have been fixed in past cycles are reappearing:
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1603976
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1607574
    • will file new bugs over the coming days

Release

mc2 crash rate: 1.26, crash incidence: 1.17%, mc1 summary score: 9.93 (bad score mainly due to linux) tuesday mc2 crash rate: 1.36, crash indicence: 1.05%, mc1 summary score: 18.52

[73.0]

• 0patch startup crash: https://bugzilla.mozilla.org/show_bug.cgi?id=1604008 - 23% of browser crashes
• gtk startup crash: https://bugzilla.mozilla.org/show_bug.cgi?id=1613130 - 13% of browser crashes

Mobile Stability

Fennec

• 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.

QA

[mboldan]

• Testing for PI-486 -https://jira.mozilla.com/browse/PI-486 - Completed
  • QA report: https://docs.google.com/document/d/1ZBcmuaS8tTv7owgf1edNxQbAyfVom-9tCWpFSGzNGsA/edit#

Beta

[mboldan]

• Round 1/3 Beta regression testing - in progress

Mobile

[ajoltan]

• Firefox 68.5.0 RC Build 2 - status GREEN
• Firefox 68.6b1 Build 2 - status GREEN
• Fennec Nightly Migration Build 8 - status GREEN
• Mobile Web Extensions feature Nightly 74 - status YELLOW

User Advocacy/ SUMO Report

• megabar landing in 74.0b getting some critical/negative reception

Roundtable & Special Topics

Post-Mortem (Tues 2wks from GA Release)

• 72 & 73 PM 25-Feb (tentative)