Platform/2013-09-17

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Engineering Meeting Details

  • Tuesday 2013-09-17 - 11:00 am Pacific
  • 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 Widmer
  • join irc.mozilla.org #planning for back channel

Actions

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 (akeybl/lsblakk/bajaj)

Next Merge: October 21, 2019 Next Release: October 22, 2019
Trains
Central: 71 Aurora: 54 Beta: 70 Release:
  1. REDIRECT Template:Version/Gecko/release/current
  • ESR 24 and 17 are on its way out


  • Merge day activities completed as of this morning
  • Firefox 25.0b1 has gone to build
17 bugs (?? bugs last week)
54 bugs (57 bugs last week)
Unresolved Aurora 54 Trackers (non-security, not tracked for Beta) Unresolved Beta 70 Trackers (non-security)

Build Changes (gps)

(Build changes of which engineers should be aware.)

Upcoming Outages/Upgrades

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

Key Issues

(Non team specific issues that impact engineering.)

  • also branching for b2g v1.2.0. More details in bug 913992

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.)

Firefox OS Haida concept (scravag)

Haida is a full concept that aims to propose a radically different user experience in line with the DNA of Mozilla. For overview and dev roadmap please refer to FirefoxOS/Haida.

Accessibility (dbolter)

  • FFOS: down to the wire we missed landing the pico TTS service (inbound was closed) and so will be requesting uplift. This is so that we can enable developers to develop and test for accessibility in 1.2 (i.e. 1.2 will be dev preview for TTS) - bug 904687
  • Collaborating on Win8 blocker bug 903866.
  • Android Firefox TTS and braille show and tell coming to mobile work week later today (~15 mins). For those interested but can't attend check out our intern Max Li's video.
  • One more intermittent failure bites the dust. bug 834138
  • Q4 Goals draft coming next week.
  • (Aside: MathML a11y topic revival happening on bug 916419)

Add-on SDK (dtownsend)

No update

App Tools (dtownsend)

  • App Manager is now preffed on by default in nightlies and aurora.
  • starting to land patches to enable debugging apps in desktop web runtime bug 777428

B2G Services (dougt)

Developer Tools (robcee)

  • 72 bugs landed this week.

DOM (jst/dougt)

Firefox Desktop (gavin/dolske)

Firefox Metro (bbondy/jmathies/mbrubeck)

<Read Only>

  • Misc. polish and bug fixing work: IT15
  • Metro Firefox uplift will occur with Fx26 to Aurora, it will most likely not migrate to Beta with Fx26, but no decision has been set in stone.
  • Async Pan Zoom Controller related issues are the main blocker for Fx26 Metro to go on Beta and Release.
  • We are functioning at par for Windows 8.0 and Windows 8.1 RTM

Firefox Mobile (mfinkle/blassey)

  • Landed and uplifted to Fx25: bug 690252 - Use a pref to determine whether we auto-launch downloaded file. This bug has received recent attention on a few sites http://bit.ly/17QBu8P.
  • Great fix recently landed in Fx26bug 912173 - crash in mozilla::RefPtr<mozilla::gl::GLContext>::~RefPtr()
  • Our first priority for WebRTC for Fx25 is under investigation bug 887227 - crash in webrtc::videocapturemodule::DeviceInfoAndroid::NumberOfDevices
  • We are taking a step back and are modifying the current plan of record for the About:Home redesign for Fx26: bug 917394 - [fig] Re-arrange about:home tabs as per new design

Firefox OS Browser (blassey)

  • Dynamic Toolbar prereqs: bug 904533, bug 913205, bug 914825. bug 898478 Provide some seamless scrolling mechanism in multi-APZC for B2G dynamic toolbar worklanded just a few hours ago
  • Tiling landed and pref'd on, then pref'd back off. May be pref'ing back on, may not, we'll see
  • user-selectable search engines disabled

Firefox OS Communications (scravag)

  • Last week was the Oslo Workweek
    • It has been a great workweek. Comms App is a large team that groups Mozilla EU, Mozilla Taipei and Telefonica. Here is the graph of Comms App new features for FxOS 1.2.
      • Conference Call up to 5 participants
      • Contact import / export with merge to USIM, SDCard, via Bluetooth etc...
      • FDN support
      • Basic CDMA support
      • LockScreen redesign
      • Messaging enhancement
      • and more ...
    • 2 user stories remain and will be fixed this week: bug 887534 and bug 911722
  • What's next ?
    • Version 1.3 will focus on
      • Messaging completion + some little enhancement
      • [part of Haida] Facebook Contacts move to DataStore
      • Preparing version 1.4 that will support DSDS (Dual SIM)
        • User stories need to be consistent
        • UX must make a proposal
        • Platform work should be completed by the end of 1.3 with consistent and tested APIs

Firefox OS Devices/Bluetooth/Porting (mchen)

<Read Only>

  • Last Week
    • FxOS Oslo Workweek
      • Landed & demo'd A2DP & AVRCP 1.3 features
      • Landed & demo'd volume control & faded features
      • Plan & discuss the new feature - "about service", "HDMI Output"
  • This Week
    • Discuss & lock down the V1.3 features set.

Firefox OS Media Apps (hema)

<Read Only>

  • Last Week
    • Workweek in Oslo focused on wrapping up features for 1.2 release
    • Video Info and Arrange Videos by Date (Gallery View)
    • Editing Image Orientation - Gallery; bug 914998, bug 916878,
    • Integrating IAC API for displaying Album Art Info on Utility Tray
    • Music App: Bluetooth Integration - AVRCP 1.3 support bug 897882
    • Template:Bugs bug 814856

Firefox OS Media Recording (cjku)

<Read Only>

  • bug 881840 - [MediaEncoder] Implement VP8 video track encoder
  • bug 891705 - [MediaEncoder] Implement WebM 1.0 container writer
  • bug 888177 - [meta] Implement ImageCapture API
  • bug 709490 - Run WebGL on Web Worker with Off-Main-Thread-Compositing
  • bug 912373 - Support colorlayer for generic HWComposer

Firefox OS Performance (mlee)

Bug List

Last Week

This Week

Firefox OS Productivity (doliver)

<Read Only>

Last week:

  • Oslo work week
  • Landed all must-have features for 1.2

This week:

  • Planning for next sprint: focus will be on v1.2 stabilization
  • Beginning review of user stories for v1.3 -- major new feature for email will be POP3 support (high priority requirement for carriers in several regions)

Firefox OS RIL/WIFI/NFC (kenhkchang)

<Read Only>

  • Bugs list, http://goo.gl/0qGqtN
  • Last week
    • Fix Leo+ and hd+ issues.
    • CDMA features are finished.
    • WAP Push is finished and demonstrated in Oslo.
    • NFC, to implement NFCD, WebAPI, NFC manager and NFC session manager.
    • WPA-EAP, to implement key manager function.
    • WIFI-Direct, to separate the state machine of WIFI-direct from WIFI AP.
  • This week
    • Fix Leo+, hd+, and Koi+ issues.
    • RTSP Client, to support rtsp streaming framework.
    • NFC -
      • To implement reading NDEF message for NFCD.
      • To discuss NFC communication protocol with DT.
    • EAP-SIM, to study if we can implement EAP-SIM function without modify wpa-supplicant.
    • Multi-SIM, to enable emulator functions for Multi-SIM.
    • WPA-EAP, to implement key manager function.
    • WIFI-Direct, to do the WIFI-Direct porting on Nexus 4.
    • Network metering, to provide network metering for HTTP, landed.
    • Power metering, to move the power metering function from Gecko to Gaia.

Firefox OS Systems - Front End (gwagner)

Firefox OS Systems - Platform (timdream)

<Read Only>

Note that this week will be a short week in Taipei.

  • Gaia for Tablet: Landed most of minimized tablet koi+ bugs. Some minor bugs need to be addressed. Need Gecko support for some bugs.
  • 3rd-party keyboards framework: Most work landed. Last outstanding major issue: OOP. Minor issues need addressed too.
  • Simplified Chinese IME: Functional complete. Some performance and visual to dos.
  • Gaia build script: Working on build Gaia on Firefox extension, ETA next week.
  • Window management upgrade: Working on HomescreenWindow. Next: ActivityWindow. Need to figure out relationship with Haida plan on v1.3.
  • Gaia for qHD/WVGA: We will only deal with bugs reproducible on master/v1.2 (unless v1.1hd is again confirmed to be revived from the dead)
  • CDMA phone support: OTSAP Gecko support landed. Need to figure out how to co-op w/ TEF on this.
  • BT feature support: Done.
  • Internship mentorship: system app unit tests: in-review
  • Internship mentorship: eng. mode / show case app: in-review
  • TSOC mentorship: test coverage: Concluded successfully with highest honors :)

Read more about our on-going work here.

GFX (milan)

  • 847223 landed - don't decode images that aren't visible when we download them. Need testing on this, especially on mobile platforms.
  • B2G graphics bugs for 1.2 tracked here 902643
    • Majority of the crash/leak/performance regressions handled
    • Considering tiling vs. buffer rotation, perhaps not everywhere, dealing with different hardware composer limitations on different versions
  • mobile work week in Toronto
  • will start chasing different people for Q4 agenda

Identity (jedp)

<Read Only>

  • Persona on FTU in FirefoxOS
    • Everyone at work week in Seattle
    • Joining forces with TEF for FTU and accounts manager
  • New UX mocks by rfeeley for native Persona sign-in on Desktop

JS (naveed)

<Read Only>

NOTE: Kannan and Nicolas at B2G workweek and came back with list of priorities from B2G and Gaia for JS

  • Last Week
    • Compiler (JIT)
      • bug 914255: Investigated repeated bailouts in new tescase of 0.a.d.
      • bug 906805: Implement Basleine JSOP_GETELEM handlers which invoke getters.
    • Garbage Collection
      • rooting analysis: mozharness script and buildbot builder have landed
    • Front End and Other
  • Blockers
    • None

Layout (jet/dbaron)

<Read Only>

Media (mreavy)

<Read Only>

  • Daala - coding party in MV Sept 30th to Oct 3rd -- if interested, contact Maire (mreavy@mozilla.com). We hear there's food!
  • bug 886181 Enabled H.264 support for Linux
  • bug 914479 Added MP3 support for OSX
  • WebRTC
    • WebRTC goes to release in Android 24. Could use help on some Android video crash issues (bug 902431 and bug 916714)
    • Application front/back facing camera preference bug 882145
    • Significant improvement for A/V sync to land soon
    • Continued focus on audio/call quality
    • Chrome almost has compatible DataChannels

Necko (dougt/jduell)

<Read Only>

  • New HTTP cache code: patches 95% reviewed, should be landing (preff'd off) this week
  • Fixed race condition, can finally land off-main OnDataAvailable for image decoding (bug 915905)
  • adding telemetry to get average daily data usage for Firefox & B2G (broken down by cell vs wifi/ethernet): bug 904170

Performance (vladan)

<Read Only>

  • bug 916078: Preventing data loss when shutting down asynchronous services
  • bug 912846: pymake no-op builds should be 3 times faster

Seceng (tanvi)

  • Lots of CSP work:

WebAPI (overholt)

  • janv landed IDB temporary storage bug 785884
  • W3C responsive images CG meeting in Paris => agreement by all major browser vendors to implement srcset!
  • DataStore API coming along nicely, good discussions in Oslo
  • baku landed MessageEvent, have a strategy for MessagePort
  • continued refinements to Promise (still preffed off except on B2G)
  • GSoC intern and Mozillian Andre Garzia wrote a book on Firefox OS: https://leanpub.com/quickguidefirefoxosdevelopment

Quality Programs

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

CritSmash (dbolter)

MemShrink (njn)

  • Timothy Nikkel fixed bug 847223, which means we no longer decode all images in a page when its first loaded. This can make an enormous difference on image-heavy pages -- we have one example where peak RSS dropped from 2,400 MB to 280 MB. On that same page the loading lag dropped from 5 seconds to 1 second. Assuming no problems are found, the constitutes the completion of the #1 item ("Better Foreground Tab Image Handling") on the MemShrink big ticket items list! Generational GC will be the new #1.
  • I am in the process of cleaning up the memory reporter infrastructure. One major change that just landed is that nsIMemoryReporter was removed, and nsIMemoryMultiReporter was renamed as nsIMemoryReporter. It's possible that this might break functionality in some add-ons.

OrangeFactor (ryanvm)

  • Past week's OrangeFactor: 4.69 (Previous Week: 3.41).
  • Shout out to Victor Porof of the devtools team for landing some major cleanups to the debugger test suite in bug 876277.
  • *30* intermittent failures fixed in the last week - List - Thanks!.

Stability (kairo/bsmedberg)

  • Overall numbers look good for releases and uplifts.
  • Nightly is a mess, but the bugs are all filed and appear to have owners.

Roundtable

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

  • Is Haida targeted at desktop platforms (or Android)? The page seems be to all oriented to B2G. Whe will be the change; how well will this match with OS UIs and across all platforms?
    • B2G only
  • What changes should we expect for about:home (lmandel)
    • Focus on top sites more than bookmarks

<Read only beyond this point>

Friends of the Tree

There were lots of great changes by volunteers in Core and Toolkit during the past week. Thanks to all of these contributors for their passion and hard work! Here are some highlights:

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.)

Julian Seward:

Maire Reavy, Robert Nyman:

irc #planning Log From Today's Meeting

[2:01pm] lmandel: https://wiki.mozilla.org/Platform/2013-09-17
[2:02pm] Waldo joined the chat room.
[2:02pm] KaiRo: lmandel: no voice update from stability today
[2:02pm] paolo joined the chat room.
[2:02pm] mlee joined the chat room.
[2:02pm] lmandel: KaiRo: thx
[2:03pm] Waldo: 6 weeks til ESR17 dies, woo!
[2:03pm] Waldo:
[2:03pm] Callek_disconnected is now known as Callek.
[2:03pm] kbrosnan: Waldo: support for b2g 18 
[2:03pm] robcee: did we learn what the cause of the WinXP debug crashes were?
[2:04pm] kbrosnan: bsmedberg: ^
[2:04pm] lsblakk: Waldo: not really
[2:04pm] lsblakk: 12 weeks
[2:04pm] Waldo: lsblakk: I stand corrected
[2:04pm] lsblakk: Waldo: we overlap for two releases, then EOL
[2:04pm] bsmedberg: kbrosnan: well, there were csets that when backed out fixed it
[2:04pm] lsblakk: Waldo: but i share your excitement 
[2:04pm] zakeriahassan joined the chat room.
[2:04pm] Waldo: lsblakk: but don't harsh my vibe, 12 weeks til ESR17 dies, woo! ;-0
[2:04pm] bsmedberg: kbrosnan: we don't really know why those csets caused that error
[2:04pm] lsblakk: woooo!
[2:04pm] kbrosnan: robcee: ^
[2:04pm] bajaj: lsblakk: Waldo +1 
[2:04pm] Waldo: that goes for you too, kbrosnan 
[2:05pm] pcwalton left the chat room. (Quit: pcwalton)
[2:05pm] robcee: bsmedberg: scary
[2:05pm] marcia_ joined the chat room.
[2:05pm] bsmedberg: robcee: it's not that unusual
[2:05pm] robcee: not for win xp debug, no
[2:05pm] marcia_ is now known as marcia.
[2:05pm] bsmedberg: race conditions and possible memory corruption are common
[2:06pm] pcwalton joined the chat room.
[2:07pm] zakeriahassan left the chat room. (Leaving...)
[2:13pm] Callek is now known as Callek|buildduty.
[2:14pm] ehsan left the chat room. (Ping timeout)
[2:14pm] teoli joined the chat room.
[2:15pm] jesup: Yeah, decode-on-draw!!!
[2:16pm] ehsan joined the chat room.
[2:16pm] lmandel: Call for roundtable - questions/comments.
[2:18pm] akeybl: +100 bsmedberg
[2:19pm] kev joined the chat room.
[2:19pm] sfink left the chat room. (Ping timeout)
[2:20pm] • Waldo learns of the good reads section and resists the urge to rickroll it