Platform/2014-02-04

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Engineering Meeting Details

• Tuesday 2014-02-04 - 11:00 am Pacific Standard Time

• Dial-in: Audio-only conference# 98411
  • People with Mozilla phones or softphones please dial x4000 Conf# 98411
  • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 98411
  • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 98411
  • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 98411
  • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 98411
  • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 98411
  • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 98411
  • UK/London: +44 (0)207 855 3000, x4000 Conf# 98411
  • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 98411
  • Gmail Chat (requires Flash and the Google Talk plugin): paste +1 650 903 0800 into the Gmail Chat box that doesn't look like it accepts phone numbers
  • SkypeOut is free if you use the 800 number
• Engineering Vidyo Room / Air Mozilla / MTV Warp Core / TOR Finch / SFO Warfield / PDX Hair of the Dog
• join irc.mozilla.org #planning for back channel

Hot Bugs

(Important bugs for which we need to find owners or additional help. If known, please include suggested team or knowledge needed to advance the bug.)

Orange Factor

Stability

Other

The Need To Know

(Release and system issues that may impact engineering this week.)

Notices/Schedule (lsblakk/bajaj)

• Firefox Desktop & Mobile 27.0 released
• ESR 24.0.3 released
• FF28.0b1 is with QA
• Aurora updates are throttled until FF29 sign off

Next Merge: January 12, 2026		Next Release: January 13, 2026
Trains
Central: 148	Aurora: 54	Beta: 147	Release: 146

19 bugs (?? bugs last week)	47 bugs (?? bugs last week)
Unresolved Aurora 54 Trackers (non-security, not tracked for Beta)	Unresolved Beta 147 Trackers (non-security)

Build Changes (gps)

(Build changes of which engineers should be aware.)

RelEng (catlee)

(Repo, test, and other information for engineers from the release engineering team.)

Upcoming Outages/Upgrades

(System outages/upgrades and tree closures that impact engineering.)

Team Stand-ups

(In <2 mins, what did your team accomplish last week, on what is your team working on this week, and on what, if anything, is your team blocked? No questions during the stand-ups. All questions should be asked during the roundtable.)

Add-on SDK (dtownsend)

<Read Only>

• Content scripts are debuggable in the developer tools!

Developer Tools (robcee)

Late landings shipped in 29.

• A Bunch of Theme Stuff
• Performance Statistics in Network Panel bug 966755
• Copy as Data URI on images in Net panel and Inspector
• Autocompletion of CSS values and properties in the Source Editor bug 717369

38 Bugs Fixed

Firefox Metro (bbondy/jmathies/mbrubeck)

<Read Only>

• Rollout with 28 still on track
• Rather significant changes to how we update from within metro landed late last week bug 950241, we now launch a background desktop process to do the update to avoid odd splash screen behavior. Patches will be uplifed to beta after some bake time on mc/aurora.
• Looking for some help in tracking down cause of gfx top crasher bug 960692 mozilla::layers::CompositorD3D11::BeginFrame crash.

Firefox Mobile (mfinkle/blassey)

• Fx Accounts authenticated Sync for Fx29 is now in Aurora. Please give it a spin.
• We have several reports about extremely slow startup that have been tied back to Adblock Plus. Profiling shows the problem to be creating regexes of a very large list of ad URL patterns. Adblock Plus is being removed from the Featured Add-ons.
• ANR Dashboard live at http://telemetry.mozilla.org/hang/anr
• Fixed in Aurora, Template:Bug 961749 - (Nexus 7 2012) - The tabs button is wrongly displayed after open a link in new tab
• Landed in time for the merge on Fx29: bug 964510 - Add a browser-delayed-startup-finished notification
• Fx30 has lot's of happenings around Firefox Hub, we're working the ability to create and customize panels and lists in Firefox Home, see Margaret's blog post in 'Good Reads' section

Firefox OS Media Apps (hema)

<Read Only>

• Fixed 1.3 Bugs
  • [Camera] Update camera.js to reflect new .sensorAngle attribute https://bugzilla.mozilla.org/show_bug.cgi?id=947956
  • [Camera] Negative picture/video rotation values are incorrectly calculated https://bugzilla.mozilla.org/show_bug.cgi?id=963142
  • [fugu][hamachi]Music app will not show files in pick mode if device is shared using USB and then unplugged https://bugzilla.mozilla.org/show_bug.cgi?id=943750
  • Decouple max camera snapshot size from max gallery image size https://bugzilla.mozilla.org/show_bug.cgi?id=960756
  • [B2G][Music] The song does not stop playing when previewing the song for a ringtone so overlapping audio occurs https://bugzilla.mozilla.org/show_bug.cgi?id=956811
  • [fugu][buri] it took long time to resume music play after ending a phone call https://bugzilla.mozilla.org/show_bug.cgi?id=961986
  • [MMS] Unable to view specific small pictures from MMS attachment taken from camera https://bugzilla.mozilla.org/show_bug.cgi?id=966320
  • [AUDIO_COMPETING] Progress bar moves when music is not playing https://bugzilla.mozilla.org/show_bug.cgi?id=946556

• Following 1.3 bugs are under investigation
  • Gallery app high memory usage during 1st launch https://bugzilla.mozilla.org/show_bug.cgi?id=963917
  • [B2G][Camera] mozilla::DOMCameraPreview::Start() - crash when switching between the camera and gallery https://bugzilla.mozilla.org/show_bug.cgi?id=957709
  • Camera filmstrip preview shows partially loaded snapshot for half a second https://bugzilla.mozilla.org/show_bug.cgi?id=942199

• 1.4 Release
  • UX Draft spec review for Ringtones and Camera
  • Planning 1.4 sprint to focus on bug fixes, camera, ringtones and nfc sharing

Firefox OS Systems - Platform (timdream)

<Read Only>

• The Taipei office is closed for Traditional Chinese New Year*.

(* Imply cultural affiliation instead of political, see Political status of Taiwan)

Layout (jet/dbaron)

<Read Only>

• unprefixed box-sizing landed (bug 243412)

Media (mreavy)

<Read Only>

• WebRTC and Talkilla teams will both be in MV next week
• Added support for webcams that use Motion JPEG for higher resolutions (update to libjpeg-turbo that we got upstream to adopt)
• Update to libyuv (Haswell ASM support, etc) and moving it to media/libyuv for general availability -- bug 880419
• Fixed major DataChannel Orange-factor regression (bug 892630) from a B2G change (bug 952220)
• More stats and info being added to "about:webrtc" page (now shows which candidate is being used as well as RTP/RTCP stats)
• Fixed some leaks when not responding to a getUserMedia() request
• In WebRTC try to make sure we don't use TURN TCP when UDP works (bug 962371)

Seceng (mmc)

• bug 936340 navigator.sendBeacon (https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/Beacon/Overview.html) is in review (welcome, rbarnes!)
• Application reputation: bug 928536 for verifying signatures of windows binaries ready to land (mmc)
• CSP: bug 916054 respects paths in url directives for spec compliance

Quality Programs

(An opportunity to hear about status with the various quality programs that do not have a formal team structure.)

MemShrink (njn)

• Nuwa has been re-landed and backed out twice in the past few days. Hopefully it's close to permanently landing.
• Ben Turner found and Kyle Huey fixed a bad leak involving Bluetooth.
• about:memory now has buttons for triggering GC and CC logs, which is much easier than pasting the magic JavaScript incantation into the error console. This was new employee Eric Rahm's first landed patch!

Roundtable

(Comments and questions that arise during the course of the meeting or otherwise do not have a section.)

<Read only beyond this point>

Mailing List Threads

(Threads that are likely to be of interest to engineering from various mailing lists.)

Good Reads

(Links to blog posts, books, videos, etc. that you think will be of interest to others.)

• [Margaret] http://blog.margaretleibovic.com/post/75553256773/wip-home-page-customization-in-firefox-for-android