Firefox/Channels/Meetings/2019-02-12

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

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

marcia, RyanVM, pascal, philipp, Aryx, Ritu, Shell, Andrew, Tom, DVeditz, jcristau

Schedule Update

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

• 65.0.1 (Desktop & Fennec @ 25%) and 60.5.1esr (@ 100%) going out today

• 66.0b7 shipping today @ 100% for Desktop/DevEdition/Fennec
  • Beta 7 is when "EARLY BETA OR EARLIER" ends

Off-train releases

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

Stability

• Latest Nightly Mac rate looks a bit better - https://missioncontrol.telemetry.mozilla.org/#/nightly/mac - I assume due to https://bugzilla.mozilla.org/show_bug.cgi?id=1525359

Nightly

firefox nightly summary score: 3.35, Thursday no report

• https://bugzilla.mozilla.org/show_bug.cgi?id=1484524 seems to rising in frequency on 67 [asuth is getting back to it this week]
• Many single installation crashes, but no much else to report
• Latest nightly crash triage https://wiki.mozilla.org/NightlyCrashTriage/2019Q1

Beta

firefox beta summary score: 2.99, Thursday no report

[philipp] 66.0b6

• crash in mozilla::gfx::DrawTargetD2D1::CreateBrushForPattern: https://bugzilla.mozilla.org/show_bug.cgi?id=1526045 - 2.2% of content crashes
• crash in mozilla::gfx::Factory::GetD2DDeviceContext: https://bugzilla.mozilla.org/show_bug.cgi?id=1521774 - 0.5% of content crashes
  • has a patch which doesn't seem to have an impact on crashes on nightly
• startup crash in RtlAcquireSRWLockExclusive | ... | mozilla::gfx::VsyncSource::Display::NotifyVsync: https://bugzilla.mozilla.org/show_bug.cgi?id=1523956 - 0.4% of browser crashes

Release

firefox release summary score: 2.26, Thursday no report

[philipp] 65.0

• content crash in mozilla::ipc::IPDLParamTraits<T>::Write spiking: https://bugzilla.mozilla.org/show_bug.cgi?id=1484524 - currently 9.5% of tab crashes [asuth going to get back to this ASAP]
• content crash with the VP9 decoder in Ndr64pClientInit on win10 1809 N editions: https://bugzilla.mozilla.org/show_bug.cgi?id=1521370 - 1.5% of tab crashes
  • ms doesn't intend to fix this; might be solved with the next monthly update or feature update - otherwise we should look into a workaround
• AsyncShutdownTimeout | Places Clients shutdown | sanitize.js: Sanitize on shutdown: https://bugzilla.mozilla.org/show_bug.cgi?id=1524200 - 3.9% of browser crashes
• https://bugzilla.mozilla.org/show_bug.cgi?id=1524208 - 0.7% of browser crashes
  • has a fix in beta which doesn't seem to make an impact

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: 22.42, Thursday no report

• • High volume crash https://bugzilla.mozilla.org/show_bug.cgi?id=1516665 should be addressed in 65.0.1
  • spike in [@ mozilla::ipc::IPDLParamTraits<T>::Write] on fennec too: https://bugzilla.mozilla.org/show_bug.cgi?id=1484524
    • https://crash-stats.mozilla.com/signature/?release_channel=release&signature=mozilla%3A%3Aipc%3A%3AIPDLParamTraits%3CT%3E%3A%3AWrite&product=FennecAndroid&date=%3E%3D2018-12-13#graphs
  • Nothing much else to note in release

• Beta

fennec beta summary score: 22.92, Thursday no report

• • New crash in https://bugzilla.mozilla.org/show_bug.cgi?id=1527373. Correlation points to Adreno 530
  • Another new crash also correlated to Adreno 530 - https://bugzilla.mozilla.org/show_bg.cgi?id=1527377

• Nightly

fennec nightly summary score: 25.39, Thursday no report

• • https://bugzilla.mozilla.org/show_bug.cgi?id=1527243 - Still crashing for diagnostic purposes
  • Not much else to note

Roundtable

• new point of contact for Firefox for Android?
  • Talk to CKarlof, Marcia suggested it might be Stefan
• Monday February 18 is a holiday in the US and Canada

Special Topics

Aurora/Beta Feature Review

Beta FEATURE STATUS- read only

I thought giving a read-only summary might be helpful since we are sklpping the deep dive meeting this week. Please let me know if you have questions or corrections. - Liz

Search in private browsing

   * On for early beta; Now off with Beta 7. Status under discussion. 

Return to AMO

   * On for early beta, Now off in beta 7

   * Issue with Mac, but this may not interfere with the rollout. 

   * Rollout plan: On by Default

Block Autoplay

   * Now on in beta until Feb 25

   * Rollout on release: 25% on day 1, then step up if no problems

Scroll anchoring

   * On by default in beta. 

   * Set to ride to release, default on, if no major problems found.

Update cert error pages

   * On by default in beta and release.

   * study is going now in mid beta

   * go/no-go by Feb 19

cbcs support for widevine

   * This is looking fine, will ride to 66.

indexedDB localstorage

   * Preffed on in beta, should ride to release. 

Pocket + new tab experiments

   * On track; surge of uplifts in mid beta to end Feb 15. This is off by default. 

Cookie restrictions (anti tracking)

   * Off by default. Study launched this week. 

   * Plan is to keep this off in 66 but do another study in 66 release

Post launch:

   * WebRender study in 66  https://experimenter.services.mozilla.com/experiments/webrender-performance-66/ 

       ** Decision by feb 20 on the % of release population

       ** QA starts in beta march 9

   * Strict list cookie restrictions

   ** Needs action from PM/eng

Post-Mortem (Tues 2wks from GA Release)

• 65 Post Mortem on Feb 19 - https://public.etherpad-mozilla.org/p/65-0-Post-Mortem