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Mozilla Platform Meeting Minutes: 2009-05-26

Filed under: Posts — Tags: — Benjamin Smedberg @ 11:00 pm


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Notices / Schedule

Firefox 3.0.12

  • Schedule on the wiki
  • If your name is on this list, you own a blocker
  • Code freeze is June 16 at 11:59pm (but don’t perendinate too long!)

Firefox 3.5 RC1

  • closed mozilla-central to all but approved patches and blockers on May 21
  • about 10 blockers remaining (mostly regression fixes) over the past 5 days
  • build and QA are waiting on cutoff, ready-to-roll

Blocker Report

Since 1.9.1 branch …

Past 2 weeks …

[ Platform Blocker Queries | Front End Blocker Queries ]


  • our ability to move fixes from mozilla-central to mozilla-1.9.1 is impressive, due largely to better sheriffing practises and attention to [oranges]
  • need to keep an eye on small performance regressions
  • need to ask ourselves: fix regression or backout original fix?

The Breakdown

Browser / Front End

  • Polish update: Firefox is 56% shiny (0% change)
    • Thanks go to: Dao, Drew
    • Also Dao and Ehsan got a lot of images landed over the weekend
    • 46 remaining easy polish bugs (whiteboard [polish-easy])
    • 40 remaining hard polish bugs(whiteboard [polish-hard])

GFX 1.9.1 Update

Layout Update

  • No blocker noms
  • 3 layout blockers:
    • bug 493968: needs dbaron review (but he’s away)
    • bug 494255: Txul increase (not sure what’s going on there)
    • bug 494590: worrying. Can we not fix it? Will it appear with default settings?
  • Other bugs of interest
    • Windows hardware A/V sync (doublec)
    • bug 494667: layout regression, needs dbaron review (roc)
    • bug 467744: XID churn causes crash (karlt)
  • 1.9.2 work:
    • Windowless iframes/scrolling (roc)
    • SMIL animation of CSS (dholbert)
    • low-overhead frame arena poisoning (zwol)
    • Need need NEED Neil’s focus patch

Content Update

  • Content Blockers: 1
  • several nominations here around regressions from making localStorage conform to HTML5 specification
  • sessionStorage: do we want to keep bug 455070 which has:
    • caused a few regressions on sites that worked with Firefox 3 (fe bug 494543)
    • resulted in some active debates on how we should conform (see bug 494799)
    • decided to back-out bug 455070 but retain the tests

Mac OS X Update

JS 1.9.1

General 1.9.1

These are bugs that fall outside of components covered by the Gfx, Content, Layout and JS groups:

Mobile 1.9.1 Update

  • blocking-fennec (1.0b2+, 1.0b3+ & 1.0+) [bugs]



Tree Management

  • pooling of talos slaves started last week, continuing this week
    • machines will no longer be tied to one branch; let us know if you see any problems on dev dashboard, graphserver, etc. As talos machines become pooled, Tinderbox columns will be consolidated, not have machine name.
    • converted firefox3.0 talos last Thursday
    • will need to migrate the other existing talos slaves to the pool at some point. when’s the best time?
    • we expect this will reduce talos wait times significantly
  • more slaves coming online for tryserver
  • mobile tryserver work progressing
  • signing machine and mobile infrastructure going offline 5th June for office move.


  • How many people are running Windows 7?
    • you can get the RC for free
    • it runs in VMWare & Parallels as if it were Windows Vista, and VirtualBox as if it were Linux
  • QA will concentrate testing in the following areas during RC1 testing:
    • Video performance and Controls, Geolocation, Session Restore, Tabbed Browsing, Drag and drop functionality, Clear history/ private browsing/ forget this site, topsites layout and performance, windows 7 adhoc testing. Please suggest any other broad regression areas here.
    • Looks like session store is cut for 3.5?
  • Focused test day for everyone on RC1? There has been some talk about having everyone (dev, mktg?, QA, etc) take some time out to really beat on RC1. I am happy to help organize. Thoughts? [timr]

  • Feedback on the new Firefox icon is welcome

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