Features/Release Tracking

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If there are things on these lists that shouldn't be here, please update the keyword on the bug (remove 'feature'), and it will magically disappear.

Check RapidRelease/Calendar for more accurate dates during merge period.

Almost Definitely in Firefox 153

Firefox

Currently in BETA channel
Moves to RELEASE week of June 16, 2026

Desktop (Win, Mac, Linux)

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1

Mobile (Android)

See the Mobile Roadmap for 153

Platform

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1

All Target Milestone 153 bugs with 'feature' keyword

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1

Targeting Firefox 154

Firefox

Currently in NIGHTLY channel
Moves to BETA week of June 16, 2026

Desktop (Win, Mac, Linux)

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1

Mobile (Android)

See the Mobile Roadmap for Firefox 154

Platform

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1

All Target Milestone 154 bugs with 'feature' keyword

Bugzilla query error

Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 406 [1] => Not Acceptable ) ) 1