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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.


lizzard, lmandel, kbrosnan, blassey, roland, jlund, ryanvm, philipp, kairo, ritu, milan, jst

Previous Actions

Schedule Update

  • Beta 6 desktop and mobile should be released today
  • Thursday and Friday are a U.S. holiday
  • Beta 7 desktop build/release Thurs/Friday (Sylvestre, Florin & Andrei will cover this)
  • Should we do a beta 7 fennec release because of battery drain issue?
    • And possibly a 42.0.2 fennec.
  • Beta 8 will build/release on Tues/Wed Dec. 1/2 next week.
  • Romanian holidays on Nov. 30/Dec 1 so Softvision will be out.
  • no KaiRo next week, still working on a full plan to cover




  • Overall rate: 2.5 - browser: 1.5, content: 1.0 - red, slightly lower than last week
    • largest crashes are with a11y+e10s, we need to make sure to exclude that audience from beta experiments (a patch for that is in bug 1226487)
    • patches also coming to not activate e10s on dev edition when a11y has been activated recently (bug 1198459)
  • bug 1219529 is >1% of overall crashes, has a patch verified on nightly and an uplift request
  • bug 1218032 (nsContentIterator::NextNode) is still very visible in stats, but not happening with builds of Nov 18 or newer due to backout in bug 1224101


  • Overall rate: 1.1 - yellow, similar to last week
  • bug 1226400 (dom::FontFaceSet::Load) is 2% of 43.0b5 data and #2 Top Crash Score - this is happening across channels, platforms and even Android.
  • bug 1222933 (mostly Ad Muncher) is 1.5% and #1 Top Crash Score
  • bug 1222819 (Orbit Downloader) is #3 Top Crash Score
  • bug 1227221 (Flash beta 20 hangs) has been causing the Flash hang rate on beta to roughly double, Adobe says they found the issue are are releasing a newer beta today - we'll watch data as they plan to ship Flash 20 very soon.


  • Overall rate: 0.9 - green
  • bug 1222933 (mostly Ad Muncher) is #1 Top Crash Score
  • bug 1226400 (dom::FontFaceSet::Load) is 1% of 42.0 data (and rising)
  • bug 1224549 (Java plugin hangs) increased the overall count of plugin hangs on release by ~25% and pushes Java users to use older, insecure Firefox versions
  • bug 1221448 (Java plugin crash) is still a significant portion of plugin crashes overall and makes lives suck for Java users, but is fixed in the very newest Java 8 build, according to both Oracle and our crash data. (


Performance (Thu)

Aurora / Dev Edition





Aurora / Dev Edition


  • saw some delays today with build getting onto beta-cdntest channel, will run update tests after this meeting

Action items





User Advocacy

No updates


Special Topics

Aurora/Beta Feature Review

Post-Mortem (Tues 2wks from GA Release)

Last week's post-mortem for 42:

Sign Off (Thurs prior to GA Release)