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Channel Meeting Details

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: ReleaseCoordination
  • Vidyo Guest URL
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.


lmandel, sylvestre, roland, rrayborn, lizzard, hwine, kbrosnan, jenstrickland, elan, kairo, jorge, mschmidt, ryanvm

Schedule Update

  • 38.0.5 is hitting us hard
    • late build of b7:
      • l10n migration script not run
      • release automation failed (beta built from m-r)
      • Too late for QE sign off
      • Decided not to release (which was an excellent choice: we would have create a big(ger) mess)
    • b8: sign off postpone because of a branding issue affecting both desktop & mobile
      • now hitting CDN cache issue
      • one good news: mobile is live
  • The next GTB (beta 9) is Wednesday, go live Thursday (May 1st is an holiday)

  • I will be still tracking the 38 bugs as we have 38.0.5 (the same flags being used for the two versions... Yeh, I know :/) proposing new bugzilla tracking flag.
  • Sylvestre will be in pto May 9 => 16 (planned before Lukas left us)
    • lmandel is covering



Aurora / Dev Edition

  • Overall rate: 2.0 browser, 0.4/1.0 plugin crash/hang (target: <1.5; 0.07/0.14)
  • browser side is getting into decent shape for beta, but plugin side still far away from it
    • aklotz still looking into issues, making some progress
    • move it to 40 ?


  • Overall rate: 1.54 (target: <1.4, including shutdownhangs )
  • bug 1116812 (TDRs) is 3.7% in 38.0b6 data, bug 1157764 might help with that
  • bug 1127270 (layers::CompositorParent::ShutDown) is 3.6%
  • bug 1141089 (ContainerState::InvalidateForLayerChange) is 1.7%, only data-gathering patches so far
  • bug 1153558 (gfx, msvcr120.dll) is 1.5%, patch for bug 1133119 should help and be in b78
  • bug 1154003 (FillRectangle) is 1.5%, patch should be in b78
  • bug 1143806 (layers::SyncObjectD3D11::FinalizeFrame) is 1%, patch might not help 38


  • Overall rate: 1.28 (37.0.1 had 1.33, 36 had ~1.2, 35 .8-.85)


Performance (Thu)

Aurora / Dev Edition





Aurora / Dev Edition


  • Push to beta will come shortly after this meeting, looks like CDNs are finally fine.


Action items



User Advocacy

Trusteer Rapport is broken Keeping an eye on MSE, not noticing compelling qualitative feedback, doing some more quantitative stuff today.


  • Any objection to having a tracking-flags firefox-status 38.0.5 ?
    • The sheriff script not ready for this. We will have different issues
    • Sylvestre is going to take care of that
  • Do we need to plan for beta 10 early next week?
    • rc1/2 instead of a beta 10
    • gtb on sunday b10 (or rc1) ?
  • When/how should we do the merges?

Initially, we planned to merge m-b into m-r

  • release is 38.0.5 m-b 39 relbranch for 38

Option 1) We do this merge: 39 will be in m-b 38.0.5 will be in m-r Side effect => 39 won't have any more testing until June 2nd May 26. Main risk there is for suggested tiles.

Option 2) We don't do this merge: 39 will live in m-a for a few more weeks. 38.0.5 beta will be built from m-b 38.0 will live in m-r (and we don't have to use relbranch) Side effect => 40 will be in m-a later and we want to communicate on this. Also means that 40 will be on m-c longer delaying the start of 41

Option 3) Postpone 38.0

  • OpenH264 update shipped to desktop Nightly, making its way to release (see thread on r-d)
  • Sync migration prompts have been enabled (bug 1154991)
  • YouTube MSE enabled again for small percent of 37.0.x release population on Windows

Special Topics

Aurora/Beta Feature Review


  • Suggested tiles: Many open bugs. Slated for 39 anyway. Bug 1140185.
  • Async plugin init: Disabled in 38. Still unstable. May not ride to beta on 39. Bug 1116806.
  • Vertical text support: Likely to be disabled when 39 moves to Beta. Bug 1138384.
  • FHR/Telemetry unification: May be disabled when 39 moves to Beta. Bug 1139460.
  • Sharing urls from Hello: On track for 39 release. Bug 1132301.

Great stuff! thanks!

Post-Mortem (Tues 2wks from GA Release)

Sign Off (Thurs prior to GA Release)