The Firefox Extension Guru's Blog

ADDONS.MOZILLA.ORG (AMO)

• Compatibility update- 76.5% (by usage) of add-ons compatible with Fx3.1.
• When Firebug 1.4 gets released on AMO this month, compatibility will increase to 80.8%
• Mailing going out this week to top 500 add-on developers not on 3.1, if we can get 20% of these, we can hit 90-95% compatibility.

AMO 5.0.2 Status: Pending Code freeze

• Code Freeze: Friday, February 13th

FIREFOX

Fx 3.0.6 - Status: Released

• Released: February 3
• Had some server issues, which were fixed fairly quickly
• Held a post-mortem regarding 3.0.6 (bugs filed for issues)

Fx 3.0.7 - Status: Code Freeze

• Mostly code froze on Tuesday
• Completely code froze on Thursday
• On track for release in early March
• Schedule (Estimated)

  • Code freeze: February 3rd, 11:59pm
  • QA starts: TBD
  • Builds start: TBD
  • Release to beta: TBD
  • Final Release: March 3, 2026

Fx 3.1b3 (Shiretoko) - Status: Pending Code Freeze

• no bugs blocking Firefox 3.1 Beta 3 (bug 475100 needs to land before we build, but the patch is ready)
• 31 bugs blocking Firefox 3.1 final release (list)
  • we estimate 2-3 weeks to complete the work
  • going to try to get them all done by Feb 23rd
• if you want to help, come join us in #fx-team or by looking at that list of blockers or at our remaining easy and hard polish bugs

GECKO

Gecko 1.9.1

• 14 Bugs still blocking beta 3. TraceMonkey is still working through remaining issues. Best guess ETA is at least a few more days, maybe 3 or 4.
• Other areas are looking pretty good to wrap up blockers soon:
  • 12 final blocker bugs left in content.
  • 6 GFX final blockers.
  • 9 Layout final blockers.
  • 3 SVG final blockers.
  • Biggest list: JS with 53 blockers.
• Component leads are checking nom queues daily. 15 noms are in the queue right now.
• For weekly engineering meeting notes and other info see the Platform page.
• Interesting queries related to Gecko 1.9.1
• 125 1.9.1 blockers

  • 14 Blocking 1.9.1 P1s
  • 98 Blocking 1.9.1 P2s
  • 8 Blocking 1.9.1 P3s
  • 5 Blocking 1.9.1 w/ no priority

THUNDERBIRD

TBird 2.0.0.20 -Status: In Process

• NO REPORT

TBird 3.0b2 (Shredder) - Status: Pending Slushy Code Freeze

• Blockers
  • TB 3.0b2 - blocking

• 3.0b2 Details
• Schedule (Estimated)

  • Slushy String Freeze: Feb 10, 2026
  • Slushy Code Freeze: Feb 12, 2026
  • Firm String / Code freeze date: Feb 17, 2026
  • l10n-mozilla-1.9.1 freeze date: Feb 19, 2026
  • Target Build Ship date: Feb, 24 2009