Platform/2013-05-21

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Notices/Schedule

• FF21.0 looks like it'll stick, congrats! Unthrottling decision will come before the end of the week, checking on FHR server load before enabling full uptake
• Firefox 23.0a2 and 22.0b1 were released last week
  • https://www.mozilla.org/en-US/firefox/23.0a2/auroranotes/
  • https://www.mozilla.org/en-US/firefox/22.0beta/releasenotes/
• FF22.0b2 will be going to build before the end of the day (5 weeks from release, 4 weeks till our last change)

• Firefox 24 is planned to be the next ESR - keep calm and carry on
• Stability work week in late August - we'll be asking a few engineers to join and help direct upcoming quarters for the Socorro/crash-kill teams

Key Issues

Mixed content blocker merged to Aurora (tanvi)

Firefox's Mixed Content Blocker merged from Nightly to Aurora this week.

When an HTTPS page contains HTTP resources, the HTTP resources are called Mixed Content. With the latest Aurora, Firefox will block certain types of Mixed Content by default, protecting our users from man-in-the-middle attackers and eavesdroppers. To learn more about this feature, check out these links[1].

We are proactively trying to find websites that have compatibility issues and alert web administrators. For those of you using Firefox Nightly or Aurora, please let us know if you encounter any sites that are broken due to the Mixed Content Blocker. You can do this by leaving a quick comment on one of the following tracking bugs:

Mixed Content Compatibility Issues on Mozilla Affiliated Sites: bug 843977
Mixed Content Compatibility Issues on non-Mozilla Sites: bug 844556

[1] https://blog.mozilla.org/security/2013/05/16/mixed-content-blocking-in-firefox-aurora/
https://blog.mozilla.org/tanvi/2013/04/10/mixed-content-blocking-enabled-in-firefox-23/

Threads

• dev-platform
  • Advance warning - Session Restore is changing, will break add-ons (yoric)
  • pymake required to build on Windows (gps)
  • RFC - Modules for workers (yoric)
  • Visual C++ PGO linker memory usage (ted)
• dev-webapps
  • app: URI scheme (marcos)
• mobile-firefox-dev
  • Builds break if you update to Android SDK r22 (kbrosnan)

Products/Projects

Firefox OS

Firefox Desktop

• Australis status updates: https://etherpad.mozilla.org/weekly-australis-checkpoint
• Patches for bug 853389 are up for review.

Firefox Mobile

Blog Shout Out

http://lucasr.org/2013/05/17/introducing-the-layout/

Performance, Usability, Features

• Landed in Nightly (Fx24): bug 871390 - Leaking Shmem with NoSwap canvas update
• bug 862763 - nsLayoutUtils::FontSizeInflationEnabled shows up in profiles, but shouldn't <== Looks like this change resulted in a ~14% Tp4 (no chrome) improvement for Android
• Push API: Blocked waiting for desktop Push API to land; implementing Java background service in the meantime bug 863103
• Fixed: bug 828563 - m.here.com GPS not finding correct location on Galaxy Nexus

Stability Wins

• bug 866501 - android.content.res.Resources$NotFoundException: Resource is not a ColorStateList (color or path): TypedValue{t=0x2/d=0x1010350 a=<n>}: at android.content.res.Resources.loadColorStateList(Resources.java) mainly on HTC devices running Gingerbread
• Another ANR squashed bug 860879 - ANR @ org.mozilla.gecko.PromptService.finishDialog(PromptService.java:470)

Stability

Desktop

• bug 869027 Appears to be bouncing between JS and DOM. (Aurora/Nightly)

Mobile

• Nom for Aurora?
  • bug 866501 - android.content.res.Resources$NotFoundException: Resource is not a ColorStateList (color or path): TypedValue{t=0x2/d=0x1010350 a=<n>}: at android.content.res.Resources.loadColorStateList(Resources.java) mainly on HTC devices running Gingerbread

• Beta crashers:
  • bug 867058 - java.lang.IllegalArgumentException: bytes.length 0 must be a positive number at org.mozilla.gecko.gfx.BitmapUtils.decodeByteArray(BitmapUtils.java)
    • currently investigated by Dev

• release:
  • under 2 crashes per ADU! ( ~ 1.5%); next milestone under 1? Can we do it?
  • Beyond Flash crashes, database crashers are starting to take the majority of top crash issues :
    • https://bugzilla.mozilla.org/show_bug.cgi?id=752828
    • https://bugzilla.mozilla.org/show_bug.cgi?id=778935
    • https://bugzilla.mozilla.org/show_bug.cgi?id=760394
    • https://bugzilla.mozilla.org/show_bug.cgi?id=790922
    • https://bugzilla.mozilla.org/show_bug.cgi?id=760394

• Android database issues bug 778935 and bug 752828 are still the most serious unsolved issues present on release. Is there additional data we need, or can we at least make the user experience better by catching the errors and presenting a message to the user?

OrangeFactor

• Past week's OrangeFactor: 6.88 and trending downward (Previous Week: 8.66).
• Good news, everybody!
  • Joel Maher found a workaround for the Android NSS crash (bug 761987). Efforts to find and fix the underlying cause continue in bug 871575.
  • Mike Habicher fixed a bug in the AOSP code used by the B2G emulator that fixed nearly all B2G test crashes in bug 867996.
  • Bobby Holley landed a patch which fixed one of the most frequent mochitest asserts we were hitting in bug 860941.
• bug 856027 (Un-hide WindowsXP opt xpcshell tests when the failure rate isn't unacceptably high) needs an owner or the tests should be disabled. All logging patches have landed.
• New Windows iX test slaves were brought online. Tracking a few new failures, primarily in media code - bug 872748, bug 872760, bug 872788, bug 872996. All are currently unowned.
• 22 intermittent failures fixed in the last week - List - Thanks!.

Performance

Metro

Games

Mobile Web Compat

Critsmash

Memshrink

Roundtable