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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: Release Coordination
  • 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.


marcia, jcristau, oboca, bsurd, asimonca, ccomorasu, avaida, RyanVM, jorge, Tom,Sorina, carmenf, petruta, cbadescu,elan, brindusa, philipp, oanah, cbadau, icristescu, tzsoldosroxana, callek, ritu,syl, hyacoub

Previous Actions

Schedule Update

Current releases dashboard:

  • 59b1 devedition live
  • 58 rc2 is planned
    • probably for at least 1419264
  • 59b2 gtb today(?)
  • 52.6.0esr build1 ready, might need a build2
  • fennec 58.0 rc ready


Shield studies



awsy: 4.32 (browser 0.80, content 3.52)



awsy: 0.98 (browser 0.47, content 0.50)

[philipp] 59.0b1 devedition - very early stability situation:

  • Crash in mozilla::dom::workers::RuntimeService::CrashIfHanging - 16.8% of browser crashes
    • signature may be a catch all for different underlying issues; often during shutdown; comments also refer to crashes after updating
  • Crashes in rlls64.dll/pmls64.dll: - 15% of browser crashes
    • greyware/malware; they are already on our dll blocklist, so we should probably look into how to eject them for good
  • A11y crash in I_RpcNegotiateTransferSyntax: - 14% of browser crashes
    • only a few installations, was already increasing in volume during 59 nightly

[philipp] 58rc1 - crash rate dropping and already green after we started shipping rc1 with the service worker fix


awsy: 0.68 (browser 0.36, content 0.32)


  • Not much new to report, rate is about the same as Tuesday


awsy: release 0.54, beta 0.78, nightly 1.16

  • Release
    • Nothing specific to call out. Rates are about the same as Tuesday
  • Beta
    • Early data coming in for 58.0b17, nothing new in the top 15 crashes

Performance (Thu)

Aurora / Dev Edition





  • In progress - 52.6.0esr-build1 testing is underway, we'll have the sign off ready tomorrow.
    • Done - Update tests for build1 on esr-localtest are GREEN.
    • Question: Should we wait for build2 or continue with build1 and just verify the extra fixes in build2?
      • ryanvm, jcristau: Yes, 2nd option.


  • [Andrei] Heads-up: We're currently trying another workaround for WebVR v1.1 (Mac) on Fx59, using a USB-C to HDMI adaptor.

Aurora / Dev Edition



  • In progress - We're coordinating with mwobensmith to verify several secure bug fixes on 58.0 and 52.6.0esr - We should finish with them by tomorrow.
  • Heads-up: Starting with Beta 59, we are going to sign off all builds using two antivirus solutions known to have caused issues in the past (Kaspersky and Avast).

Action items


  • Fennec 58 Beta 17 signed off without any major issue
  • Fennec 58 RC signed off - no blocker nor major thing arise
   bug 1431423 - [RTL] Incorrect tab highlight on RTL language setting




User Advocacy


Special Topics

Aurora/Beta Feature Review

Post-Mortem (Tues 2wks from GA Release)

Sign Off (Thurs prior to GA Release)