Firefox/Win64

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Revision as of 23:19, 10 May 2017 by Cpeterson (talk | contribs) (→‎Schedule: The 64-bit default did not ride the trains with 53. The 64-bit installer option shipped in 54.)
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Objective

Make 64-bit Firefox the default version for new and existing eligible users to reduce our OOM crash rate, increase performance, and improve security (ASLR).

Users are eligible for a 64-bit default if they are running 64-bit Windows 7+. 32-bit Firefox running on 64-bit Windows can access about 3,800 MiB of virtual address space (4 GiB minus overhead from physical memory reserved for the OS and BIOS). For users with less than 4 GiB of physical memory, there is a trade-off between the larger virtual address space and the overhead of 64-bit code. We have decided to remove any minimum memory requirement for 64-bit Firefox because we don't want to withhold the security benefits of ASLR. Also, 2 GiB RAM is Microsoft's minimum memory requirement for Windows 7 through 10.

Schedule

  • 2014 Q3
    • [DONE] August 8 - Chrome's 64-bit announcements: Mac and Windows
  • 2015 Q2
  • 2015 Q4
  • 2016 Q3
    • [DONE] July 20 - Announced NPAPI to be removed in Firefox 52: Reducing Adobe Flash Usage in Firefox
    • [DONE] August 29 - Web team will start redesigning download page redesign for 64-bit
    • [DONE] September 23 - Web team will start A/B test of new download page
  • 2016 Q4
    • [DONE] October 7 - Web team will complete A/B test of new download page
    • [DONE] October - Drop support for non-Flash NPAPI plugins in Nightly 52 (bug 1269807)
    • [DONE] October - Create dashboards for 64-bit rollout criteria
    • [DONE] November 24 - Make 64-bit the stub installer's default in Nightly 53 (bug 797208). The 64-bit default did not ride the trains with 53. The 64-bit installer option shipped in 54.
  • 2017 Q1
  • 2017 Q2
    • [AT RISK] April 12 - Enable Flash async drawing in Aurora 54 (bug 1340934)
    • [ON TRACK] April 18 - Firefox 53 release
    • [DONE] May 2 - Google began migrating 32-bit Chrome users (with more than 4GB RAM) to 64-bit Chrome 58.
    • [ON TRACK] June 13 - Firefox 54 release
    • [AT RISK] June 13 - Flash 26 release with fixes for zero-sized Flash bug 1348629 and acceleration regression bug 1359886.
      • Ask Softvision to test async drawing with Flash 26 release.
    • [PROPOSED] June - Run Funnelcake experiment to compare 32-bit vs 64-bit for eligible Release 54 users
    • [PROPOSED] June - Write technical blog post about 64-bit installer default in 55.
    • [PROPOSED] June - Write consumer blog post about 64-bit migration in 56.
  • 2017 H2
    • [AT RISK] July - Re-enable Win64 tests on Try by default (bug 1359506, blocked waiting for Windows 10 Taskcluster bug 1326419)
    • [ON TRACK] August 8 - Firefox 55 release (with 64-bit default)
    • [PROPOSED] August - Publish technical blog post after 55 release so the new installers are available.
    • [PROPOSED] September - Publish consumer blog post before 56 release so users can set the opt-out pref before we upgrade 32-bit users.
    • [ON TRACK] October 3 - Firefox 56 release
    • [PROPOSED] October - Migrate eligible 32-bit Firefox users to 64-bit (bug 1274659) with a 56.0.1 release.

Release Criteria

Links

Bugs

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Team

Role Contact
Product Management Romain Testard
Engineering David Parks (Flash sandbox), Matt Howell and Robert Strong (installer), Stéphanie Ouillon (Flash sandbox review)
QA Ryan VanderMeulen
UX Michael Verdi (Firefox), Jon Petto (Mozilla.org)
Release Management Sylvestre Ledru
Release Engineering Chris AtLee
Firefox Program Management Chris Peterson
Mozilla.org Program Management Jennifer Bersch
Add-ons Jorge Villalobos
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