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  • Tuesday - 11:00am Pacific, 2:00pm Eastern, 19:00 UTC
  • Mozilla Building S - <script> conference room
  • 650-903-0800 or 650-215-1282 x92 Conf# 8605 (US/INTL)
  • 1-800-707-2533 (pin 369) Conf# 8605 (US)
  • #shiretoko for backchannel

Notices / Schedule

  • Beta 2 Schedule
    • en-US string freeze is Thursday, October 30th at 11:59pm PDT
    • code freeze is Tuesday, November 4th at 11:59pm PDT
  • Please take a look at the feature list and get things missing added, and update status for things you own: Firefox3.1/Features#Gecko_1.9.1
  • See the security review schedule page to get your review scheduled ASAP!

Firefox 3.1 Update

Places Fsync-reduction Changes

  • Goal: reduce fsyncs by writing to the disk less often, reducing hangs/freezes/sluggishness while browsing (especially hurting mobile, usb and some linux).
  • Approach: keep non-critical history data in temporary tables, periodically flushing to permanent tables in the background.
  • Problems
    • Ts (bug 459197)
      • Initial landing caused a regression of ~3% on linux and ~4% on windows (data)
      • With fixes, still seeing regressions: (data)
        • Linux is at 1-2% (30-40ms)
        • Windows XP is at ~2% (~20ms)
        • Windows Vista is at 1.2-2.5% (7-15ms) depending on which boxes you look at
    • Tp (bug 459235)
      • Initial landing caused a regression of about ~3% on OS X; possible regression on windows (data)
      • With fixes, possibly only small regression on mac, and ~1% win on linux (data)
  • Solutions
    • This work is not going to make 3.1; push to next release and make no improvements in this area
    • slip beta 2 until we get the performance issues fixed with other performance improvements
    • let this work land and accept the fact that we'll take some small hits in some performance benchmarks

GFX 1.9.1 Update

Mac OS X 1.9.1 Update

  • working on blockers
  • Josh working on tests and various plugin bugs as well
  • further filesystem work still in review

Layout 1.9.1 Update

Content 1.9.1 Update

JS 1.9.1

m-c blockers hurting daily browsing:

Blocking JIT by default:

Not blocking JIT by default:

Mobile 1.9.1 Update

General 1.9.1 Updates

  • offline cache, dcamp:
  • localStorage, honzab:
  • HTML5 drag-drop:


Security Reviews


  • feedback on try-talos? Please add to bug 461012
  • mothballing 1.8 / 1.9.0 machines?
  • any upcoming tool changes after branch for FF3.1? Nope.