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Platform Meeting Details

  • Tuesday 2013-04-09 - 11:00 am Pacific
  • Dial-in: Audio-only conference# 98411
    • People with Mozilla phones or softphones please dial x4000 Conf# 98411
    • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 98411
    • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 98411
    • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 98411
    • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 98411
    • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 98411
    • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 98411
    • UK/London: +44 (0)207 855 3000, x4000 Conf# 98411
    • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 98411
    • Gmail Chat (requires Flash and the Google Talk plugin): paste +1 650 903 0800 into the Gmail Chat box that doesn't look like it accepts phone numbers
    • SkypeOut is free if you use the 800 number
  • Engineering Vidyo Room / Warp Core / SFO-Boardroom / Tor Commons
  • join #planning for back channel


  • dougt to find owner for top crash bug 836263
  • Asa to post a couple of Windows 8 hardware options for dogfooding Firefox Metro


  • FF20.0.1 desktop go-to-build is expected today for bug 857672,bug 857291
    • This will be in QA's hands tomorrow and is expected to ship by Thursday, Apr 11 .
    • All the fixes that are being taken into release are already in our 21.0b2 build, shipping EOD today which will give us an opportunity to gather more feedback
  • FF21.0b1 was shipped last Thursday with FHR enabled
    • Check your browser's health report by going to about:healthreport
  • FF 21.0b2 Desktop only will ship EOD today
  • FF 21.0b2 mobile will go-to-build today and released before end of week
  • FF22.0a2 unthrottled last Friday
19 bugs (35 bugs last week)
56 bugs (59 bugs last week)
Unresolved Aurora 54 Trackers (non-security, not tracked for Beta) Unresolved Beta 128 Trackers (non-security)

Key Issues

  • WebAPI planned work (overholt)
  • Capacity work in preparation for next week's B2G workweek (joduinn/catlee)
  • Downtime planning for *after* b2g work week, dates and details as we get it (firewall upgrade in colos)
Recent threads


Firefox OS

  • 1.0.1 (tef), 59+10 (10 are NPOTB) blocker bugs, with another 25 nominated.
  • 1.1 (leo), 114 blocker bugs, with another 54 nominated. MMS (delayed FC/CC) reviews and landings ongoing.

Firefox Desktop

  • Beta: new providers (Mixi, Cliqz, MSN Now)
  • Aurora: add-ons manager management of social providers
  • Trunk: installation of arbitrary providers

Firefox Mobile

Blog Shout Out
Usability, Responsiveness, and New Features
  • Web Audio was enabled on Nightlies. This bumps our HTML5 score to 431
  • WebRTC: Alder branch merged to central preff'd off. GCP is doing some initial manual testing on 2.3 and will need help with 2.2 testing soon
In Progress


  • Firefox 20.0 release for Android has under 2 crashes per 100 ADI and around 25% startup crashes, both of which is lower than any release since we introduced the new "native" UI.
  • Looks like bug 831768 decreased Flash crashes and hangs by a quarter or so compared to 20 Beta, we'll need more data to make sure and define the wins better, but things look good for the moment.
  • Need help with VM page profiling (Windows) to solve empty dump and unstable-product issues (see dev.platform thread)


  • Past week's OrangeFactor: 6.76 (Previous Week: 6.09)
  • Windows XP XPCShell and Android 4.0 panda robocop tests remain hidden.
  • More progress needed on last week's attention items.
  • Help wanted on bug 846137 and clones (ASSERTION: wrong thread: 'PR_GetCurrentThread() == gSocketThread'). We hit this across a wide range of tests.
  • Frequent gcc crashes when compiling IonBuilder.cpp or Scope.cpp (bug 820796) are hurting infrastructure load. Progress upgrading to a newer version?
  • 19 intermittent failures fixed in the last week - List - Thanks!.
  • When working on fixing orange bugs, please take note of MDN's guide to avoiding intermittent failures. Feel free to add to it with any other wisdom you have!

Snappy [Bi-Weekly]

  • Current state of Firefox chrome hangs: [1]
  • bug 856427 and bug 689418: Avi is working on adding vsync support on Windows
  • bug 561450: mak removed a source of main-thread I/O in Places
  • bug 753768: Yoric moved all Page thumbnails I/O off the main thread
  • bug 764971: Do not show the throbber and the "Connecting..." text for chrome pages
  • Profiler:
    • You can find Benoit’s write-up here: [2]
    • bug 734691: BenWa adding support for profiling multiple threads
    • bug 853358 and bug 734691: BenWa is adding profiling support to the plugin-container.exe process
    • bug 853864 and bug 853363: IPC message information is being exposed to the profiler (BenWa and Georg Fritzsche)
  • Jydoop query tool for telemetry and crash-stats is now available

Metro [1st Tuesday of each month]

Games [1st Tuesday of Month]

  • GDC success!
    • Unreal Engine 3 ported to the web using Emscripten/asm.js
      • Public demo releases soon
      • Current very low rez video has close to a quarter million views
    • Showing off the tech on the show floor at NVIDIA's booth
    • Lots of press interest, close to 200 articles worldwide
  • Huge thank you to all the individuals who helped make it happen
    • lots of JS improvements
      • ~20% parsing perf improvement on the demo, which was about a 5-6% win on general parsermark parsing
      • significant memory reduction during parsing
    • Gamepad API, pointer lock in non-fullscreen got checked in, though gamepad will likely need another cycle on nightly
    • Lots of Web Audio improvements
  • Next focus
    • Mobile
    • Supporting advanced porting efforts

Mobile Web Compat [2nd Tuesday of Month]

  • Thank you to everyone who has responded to my request for help: Help Wanted: Firefox OS UA Detection
    • Additional fixes for,,,
    • Confirmations that a number of additional fixes are coming
    • The best way to get sites fixed is with technical contacts, please share!
  • Vimeo now works on Firefox mobile!
  • Google Maps UI updated on Firefox for Android
  • Implementing generic versions of WebKitPoint (bug 850805), webkitConvertPointFromNodeToPage (bug 850806), and webkitConvertPointFromPageToNode (bug 850808)
  • Do you like UA discussions (of course you do!)
    • bug 856699 Pick a UA string for fennec on Ouya
    • bug 850769 User Agent override including information regarding vendor/model about the device

Critsmash [3rd Tuesday of Month]

Memshrink [4th Tuesday of Month]