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Notices / Schedule

Firefox 4 Beta 8

  • criteria for release at this point is "no stability regressions from previous beta"
  • there is a pending change to the way Sync UI works for adding another client (bug 602682) which needs to be simultaneously shipped with Fennec 2 Beta 3, also requires changes to the crypto libraries
  • based on the Fennec Beta 3 schedule, which is targeting Dec 7th as ship, we feel it's best to align Beta 8 with that date
  • there is a pending change to the way Sync UI works for adding another client

Firefox 3.6.13 and 3.5.16

  • QA is finishing up testing the build
  • Plan to go to beta on 2010-11-24 (likely throttled)

Firefox 3.6.14 and 3.5.17

  • Draft schedule will be sent out for review next week

Blocker Report

  • charts show steady state, no increase/decrease in overall blocker count
Blocker report for Firefox 4.0.beta8 (as of 2010-11-23 10:56:13.240700-08:00)


      blocking: 173
         fixed: 151
          open:  22

Open Blocker Assignees

   Philipp von Weitershausen [:philikon]:   3 +++
                  Blake Kaplan (:mrbkap):   2 ++
                         general@js.bugs:   2 ++
                        Andreas Gal :gal:   2 ++
          Josh Aas (Mozilla Corporation):   1 +
                          Richard Newman:   1 +
                 Justin Dolske [:Dolske]:   1 +
                             Raymond Lee:   1 +
                      Kyle Huey [:khuey]:   1 +
                      Axel Hecht [:Pike]:   1 +
                           Markus Stange:   1 +
                             Neil Deakin:   1 +
                        Myk Melez [:myk]:   1 +
                   Jason Duell (:jduell):   1 +
        Christopher Blizzard (:blizzard):   1 +
                 Wesley Johnston (:wesj):   1 +
    Nobody; OK to take it and work on it:   1 +

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


  • Goals: Real list found here. Quick overview:
    • [ON TRACK] Finish Firefox 4 blockers.
    • [ON TRACK] Support Firefox Team to stand up a browser on Electrolysis.


  • 121 blockers
    • 0 beta8, 1 beta9, 49 betaN, 71 final
  • We hope that most of the since-b7 topcrashes have been fixed, and we'll continue to evaluate that. Several crasher fixes have landed over the past couple of days.


  • Nothing major to report
  • No beta8 blockers
  • Still worried by trackpad/trackpoint problems on Windows laptops. If you can reproduce a problem on a laptop you own, please say so on the bugs below or file a new one


Tree Management


  • What is our risk-tolerance for risky changes that come with big perf gains? I'm opposed to taking bug 414946 (jemalloc on mac) because of the risk, but I'm getting a lot of pushback (bsmedberg).
    • specific rule is that we'll evaluate each case by case, but at this stage we need to know how we'll evaluate early signs of risk vs. reward
    • stuart suggests we check it in after beta 8 freeze and watch nightlies for signs like crashes
    • beltzner/bsmedberg/pbiggar to guide a plan that helps us understand landing timeline, criteria for keeping, and what we'll look for in terms of signs to validate assumptions about risk
  • Thinking about Firefox 4.x and Firefox 5. Timing & criteria.
    • Blizzard suggests quarterly 4.x releases, wonders if we can do that without busting addon compatibility ever quarter