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Platform Meeting Details

  • Tuesday 2012-11-06 - 11:00 am Pacific
  • Dial-in: Audio-only conference# 95312
    • People with Mozilla phones or softphones please dial x4000 Conf# 95312
    • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 95312
    • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 95312
    • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 95312
    • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 95312
    • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 95312
    • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 95312
    • UK/London: +44 (0)207 855 3000, x4000 Conf# 95312
    • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 95312
    • 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
  • Warp Core Vidyo Room / SFO-Boardroom
  • join #planning for back channel


Firefox OS

  • Most B2G engineers are in SF for their workweek
  • Convergence schedule for remainder of the year announced
    • We're currently in C1 until Nov 19, followed by an Exec Review
  • Landing process per-milestone has also been documented

Firefox Desktop

Release update

Next Merge Day: 0 days
Firefox 17.0 Release: 0 days

  • Shooting for a Thursday push for FF17 beta 5 (going to build today)
  • Beta 6 will go to build Monday, targeting EOD PT - only a small handful of critical fixes will be approved for landing at this point
  • Beta 6 will ship next Wednesday, and the merge from m-b to m-r should occur shortly after
  • Merge and release will occur Monday 11/19 and Tuesday 11/20
    • Thanksgiving coverage has been lined up in case a critical FF17 issue requires investigation

Development update

  • Dao landed another Snappy fix to avoid doing unecessary work during startup, bug 756313
  • New round of fixes went into beta 4 for Social API, including a more discoverable method to remove the feature, and better error handling on lack of network connectivity scenarios. bug 803344, bug 804258, bug 804910
  • Stub installer metrics landed, yay! bug 802734 - good teamwork from UX/Privacy/metrics/dev/rel-mgmt
  • Please test around bug 807217 to ensure that Social API disabled in PB mode is working as expected

Firefox Mobile

\o/Check out Finkle's Blog
Remote Web Console for Android is here!
  • bug 785945 - Awesomescreen entries are very slow to appear
  • Quickly closing tabs with swipe gesture is better: bug 770492 - Quick sliding to close tabs will not dismiss them anymore at some point
  • Fix for honeycomb issue landed in Fx18 and Fx19: bug 787318 - Tabs thumbnails are not updated
  • fullscreen elements prevent screen timeout bug 805017 - Disable screen timeout when DOMFullscreen is enabled
IME Awesome Continues
  • bug 805162 - Rewrite Android IME code to be thread safe
  • bug 806349 - Input auto-correction is not enabled
Safe Browsing
  • Freshly landed on Inbound (not for Fx17 for which Safe Browsing is a theme): bug 806422 - Do not cache Complete's across a Safe Browsing update
Stability Wins
  • bug 797705 - java.lang.NullPointerException: at org.mozilla.gecko.GeckoEvent.createNativeGestureEvent(
  • bug 804926 - java.lang.NullPointerException: at org.mozilla.gecko.GeckoApp.requestRender(
  • bug 781259 - java.lang.NullPointerException: at org.mozilla.gecko.DoorHangerPopup$
  • bug 799877 - java.lang.IllegalStateException: at android.widget.ListView.layoutChildren( with Adapter(class org.mozilla.gecko.AllPagesTab$AwesomeBarCursorAdapter)
Telemetry Probes
  • FENNEC_STARTUP_* probes

Metro [Weekly]


  • First draft of users stories ready for review: etherpad


  • Iteration on remote tabs: mockup , bug 801056
  • Semantic zoom on start page: mockup , bug 807867
  • Iterating on "About Firefox" in setting charm: bug 807691
  • Reviewed FX Metro user stories and matching them with user actions: etherpad
  • Keep focusing on designing P1 features: snap view, bookmarks, topsite UI implementation.


  • VC2010 backport is complete on elm. Should have vc10 elm builders doing nightlies this week.
  • bug 795887 - Cache corruption should be significantly reduced in Metro due to Firefox closing the cache when it is suspended, r+ed, landing this week.
  • Elm to mc merge work continues.

Project Management

  • Proposed new iteration model for development, under review and will post publicly once first draft is agreed to by core team.
  • First pass at time estimations done and total under review, will post once information is validated.

Stability Report [Weekly]


  • Flash
    • New version of Flash shipped today: Adobe Flash Player version 11.5.502.110
  • Trunk
  • Beta
    • bug 808561 crash in nsDisplayListBuilder::DisplayCaret
  • Aurora
    • bug 806820 crash in SuppressDeletedPropertyHelper
  • Release
    • bug 807684 crash in libnortonconfidential16.dylib@0x22f6d @ libsystem_c.dylib with Norton Confidential
    • bug 807923 crash in browsemngr.dll@0x11a176 with Browser Manager 2.3.796.11 bundled with Babylon



Snappy [Weekly]

  • Start-up
    • Firefox median startup performance (as measured by SIMPLE_MEASURES_FIRST_PAINT) improved between 20%-25% at the end of Firefox 18 cycle (~Oct 26).
    • Dão Gottwald postponed loading content until Firefox chrome is painted (bug 756313). This will result in browser chrome painting sooner.
  • Tab Strip
    • Bas Schouten landed Azure (Windows 8) caching for gradients, which is useful when rendering border corners. (bug 805831 This should speed up tab-strip drawing when 2d-acceleration is used.
    • Neil Deakin made two changes to avoid unnecessary layout flushes
      • changed popup.xml's state getter to not flush frames when retrieving state (bug 792296)
      • prevented scrollbox.ensureElementIsVisible() from being called if the tab strip doesn't overflow (bug 752376.
  • Tools
    • Benoit Girard updated the profiler to support linking to a specific view. Just grab the URL to share your current view. Read about more updates on Benoit's blog

Games [1st Tuesday of Month]

  • As-yet-unnamed benchmark suite
    • Focus on real-world, leaning towards gaming and emscripten
    • Cross browser (Firefox [release/beta/aurora/nightly/tinderbox], Chrome, IE, Safari, Opera)
    • Desktop and mobile
    • Been hoping to deploy soon, but ran into stability issues on mobile that required some rearchitecting.
    • Will send sample results to dev.platform/dev.firefox soon; goal is an arewefastyet-style display for gaming & emscripten work
    • [result screenshot]
  • Game porting efforts, .NET -> JS
    • We've been working with Kevin Gadd, author of JSIL, one of the .NET -> JS porting tools
    • Goal is to get various frameworks and tools that use .NET running on the web (e.g. XNA, what a lot of xbox live arcade games are built on top of)
    • Complementing our emscripten porting efforts
    • There are other approaches possible, still evaluating what's best
  • Web Audio
    • Progressing, implementation framework is in place, Ehsan is working to get it to play sounds (via media streams) soon
  • Games triage flags
    • [games:p1/p2/p3] or p? in the whiteboard
    • Vlad will be looking to find owners for the P1s very soon; many of them are in JS-land and are performance things that we at least want to make sure we have ways to reproduce and track
  • Other smaller team projects
    • animation frame rate smoothing
      • eventually intelligent adaptation based on content
      • eventually vsync
    • WebGL compositing speedup and optimization
      • good interaction with OMTC
      • multi-buffering to remove stalls
    • BananaBread Multiplayer
      • Currently working to get it working with WebSockets
      • Once done, will move on to add in Peer to Peer support using WebRTC
      • Two new levels for capture the flag approved

Mobile Web Compat [2nd Tuesday of Month]

Critsmash [3rd Tuesday of Month]

Memshrink [4th Tuesday of Month]

Engineering Metrics

0.0 0.0 days 0.0 days
70 bugs
29 bugs
Patch Review Time SG:Crit Resolution Time Top Crash Resolution Time Unresolved Aurora Trackers (non-security, not tracked for Beta) Unresolved Beta Trackers (non-security)

Key Issues

Actions Last Week

  • jet to staff social performance profiling, layout-side
  • jet/jkew to take the text, layout top crashers
  • jp to see about moztrap presentation in future weeks
  • dmandelin to follow up on test dir re-org thread
  • ehsan to update tree policy page on Ts regression backout policy for desktop and provide link
  • finkle Ts follow up for mobile
    • Finkle talked to the Android testing team and we might update the Ts test to be more realistic, but even for now, it does a good job of testing the "Load link from other app into Firefox" use case. Ts matters.


  • Changes to JS components/JSMs (khuey)


  • Ehsan to update talos regression page to include mobile
  • JP to follow up on FF19 Gfx top crashes


  • gps is soliciting input for a brown bag on the build system.
  • (catlee) B2G builds on TBPL
  • (catlee) HG downtime cancelled - may not be necessary now
  • (catlee) Android tests running on panda boards on cedar branch
  • (catlee) releng and IT want to add Windows 8 64-bit to tbpl but want to check if it is enough to not need to also add Windows 8 32-bit
  • (curtisk) Security Champions - looking for people that want to be the champion for the area the normally work in. This is the thing from the Mon meeting Curtis talked about.
    • meeting in J/K (IRL/Vidyo) 1300 PDT 6-Nov or contact Curtis