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

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

QA

Nightly

Aurora / Dev Edition

Beta

Action items

Mobile Stability

SUMO Report / User Advocacy

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