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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
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Johnny, ritu, milan, lizzard, marcia, erin, rail, martin, marco, blassey, shell, jcristau, kbrosnan, dveditz

Previous Actions

Schedule Update

  • Fx50
    • 50.0b6 (desktop) push to Beta channel blocked by bug 1309252
    • 50.0b6 Fennec signed off
  • (liz) will evaluate async rendering system addon today



[marco] not sure where to put this Telemetry alert

            looks like more people are disabling e10s than before




   NotifyInitializeSpies signature is new, will have to be filed.


overall rate: 1.23 (browser: 0.99, content: 0.24) - Crash in nvwgf2um.dll | NDXGI::CDevice::DestroyDriverInstance - Crash in std::list<T>::clear() from D2D1::EndDraw() - Crash in NDXGI::CDevice::SignalSynchronizationObjectCB - Regression in D3D11DeviceContext crashes with 50.0b - Crash in nvwgf2umx.dll & nvd3dumx.dll

Bug 1290403 - Crash in chtbrkg.dll@0x2e1f0

  • Brad will help coordinate a fix for this in pre-beta channels.

AsyncShutdownTimeout | profile-before-change | MediaStreamGraph shutdown: blocking on msg thread was fixed in 50.0b5 ( )


overall rate: 0.93 (browser: 0.76, content: 0.17)



  • New bugs that have emerged: - Pretty high volume for Nightly -   Patch under review to add some debug assertions to try to figure out the crash.
   New crash in Core | Disability ->
   webrtc::ViECaptureImpl::GetCaptureDevice is new and will need to filed, small volume
   Project Uptime crashes:
   Tab switch spinner 52 (mconley)
   mccr8 has a WIP patch to force painting during CC at
   billm landed patches up to force painting during GC at
   mconley suspects we’ve already got lots of data about these hangs, since BHR and (believe it or not) chromehangs works in the content process. There’s no way to differentiate these hangs from other hangs though, so currently looking at how we can use the annotation system to make them easier to spot and analyze.
   We’ll be able to get full native stacks on Windows on Nightly via chromehangs. Pseudostacks only for everybody else, but billm agrees that this is better than nothing.
   mconley is slowly putting together a dashboard to get a sense of spinner severity per client. See



   Nothing new seen in brief time I looked at crash-stats

Performance (Thu)

Aurora / Dev Edition




  • [desktop] [Cornel] WebRTC full duplex testing on Windows almost completed - need to wrap up the results and ask Maire for a feedback
  • [desktop] [Cornel] We have reports that Firefox uninstalls after Windows 10 update (bug 1307418 and bug 1307413) - currently under investigation


Aurora / Dev Edition


Action items




User Advocacy


  • websense : crash sig has stayed fairly low on 49.0.1. Still substantial ADI on 47.0.1 with websense unknown.
  • other system addon possibility right now; graphics artifacts from d3d9 fallback+e10s (5% of users seeing this on release)
  • facebook stereo sound (VR related)
    • Bug 1301518 - Opus 255 channel mapping family not playable
    • MBest will help from a product point of view.
  • Plans/mechanics for 50.1 release?
    • What kinds of fixes will be planned for this dot release? Just security, stability.
    • ESR nomenclature: just another +.1 or +.0.1?

Special Topics

Aurora/Beta Feature Review

Post-Mortem (Tues 2wks from GA Release)

Sign Off (Thurs prior to GA Release)