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Mozilla Platform Meeting Minutes: 2010-12-21

Filed under: Posts — Tags: — Jesper Kristensen @ 12:00 am


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Notices / Schedule

  • Beta 8 is out to mirrors, investigating one possible issue before being ready to push live
  • Mobile beta 3 is gated on Google, may need to respin, see bug 620584
  • the great retriage happened last week
    • removed about 25% of our blocking bugs from the lists
    • also greatly reduced the list of nominations (though we’re back up to 60 or so!)
    • need to make this a regular thing – maybe Thursdays?
  • we need to stop shipping Firefox 3.6 to users
    • current blocker count reducing by about 40 blockers/week
    • using that rate, we’re looking at 10-12 more weeks of development time, which still isn’t fast enough
    • need to keep our focus tight, and continually re-evaluate whether or not we need to fix something in Firefox 4

Blocker Report

Firefox 4 Beta

Firefox Development

(from our goals):


  • [ON TRACK] API-Complete Jetpack
    • Joint with Jetpack team
    • Currently working towards feature-complete beta SDK
  • [ON TRACK] Stand up basic Firefox with Electrolysis

Developer Tools

  • [NEW] Ensure that Firefox 4 ships with a compatible version of Firebug
  • [NEW] Publish a roadmap for integrated developer tools in Firefox, including console, inspection, and js debugging
  • [NEW] Develop long term plan for Skywriter maintenance/support


(there is a team-by-team goals breakdown, as well)

  • [ON TRACK] Finish Firefox 4 blockers.
  • [ON TRACK] Support Firefox Team to stand up a browser on Electrolysis.
  • [ON TRACK] Ship Firefox 4 final with layers composition accelerated using:
    • OpenGL on Mac OS X;
    • Direct3D on Windows.
  • [ON TRACK] Ship Firefox 4 final with content accelerated using Direct2D on Windows Vista/7.
  • [ON TRACK] Ship Firefox 4 final with better Opentype font feature support using Harfbuzz on all tier-1 platforms, and text rendering performance equal to or better than Firefox 3.6.
  • [ON TRACK] Ship Firefox 4 final with full WebGL 1.0 support turned on by default on all platforms that support OpenGL.
  • [DONE] Integrate Opentype santizer library
  • [ON TRACK] Play back video on Fennec without blocking on main content thread
  • [ON TRACK] Integrate codec ARM optimizations
  • [ON TRACK] Ship indexedDB
  • [ON TRACK] Ship HTML5 parser
  • [ON TRACK] Ship HTML5 forms (current set)
  • [ON TRACK] Ship GC compartments work
  • [ON TRACK] Proof of concept implementation of a proxy based DOM binding
  • [ON TRACK] 30% performance improvment on the Cal_* tests in Zimbra
  • Performance 15% improved over Oct 1 Sunspider perfomance
  • Performance 15% improved over Oct 1 v8 performance
  • Continuous ARMv7 Android and Maemo JS Shell regression and performance testing in place
  • [ON TRACK] Drive blocker list to zero.
  • [ON TRACK] Develop implementation plan for OOP content accessibility.
  • [ON TRACK] Fix and ship multi-process plugins on Mac
  • [ON TRACK] Fix and ship asynchronous plugin painting on all plaforms
  • [ON TRACK] Fix and ship content processes on Fennec


  • 66 blockers in Layout+SVG+Video+Widget

Tree Management

  • FF4.0b8 was bumpy. Sorry
    • changes to RelEng automation caused several different l10n problems
    • addon max version check caused problem with Feedback button
    • more details after postmortem – stay tuned.
  • yesterday’s tree closure caused by un-expected change to graphserver, which was surprise to RelEng and IT. Backed out.
  • ok to turn off ts_cold?
  • securing RelEng systems – will require build-vpn


  • (Beltzner) next week’s meeting on or cancelled?
  • (joduinn) moderate platform+firefox meetings like the mofo meeting? deal with voip-delays, irc, etc.
  • Crash Summary
    • Very few users on Beta8 so far. A few new signatures starting with QQ. We will watch those as the users increase.
    • Explosive regression on the trunk – Waiting to verify if it was fixed by another bug.
    • A bunch of new crash signatures on the trunk – in the process of logging those.

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