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Chris H-C
Jun 16
Phabricator Data Reviews: remember to add the bug number
Hello! All new or expanded data collection in Mozilla projects are subject to Data Collection Review[
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Phabricator Data Reviews: remember to add the bug number
Hello! All new or expanded data collection in Mozilla projects are subject to Data Collection Review[
Jun 16
Daniel Minor
Jun 16
Intent to prototype and ship: Iterator Chunking
As of Firefox 154, I intend to turn Iterator chunking on by default. It has been developed behind the
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Intent to prototype and ship: Iterator Chunking
As of Firefox 154, I intend to turn Iterator chunking on by default. It has been developed behind the
Jun 16
Daniel Minor
Jun 16
Intent to prototype and ship: Iterator Join
As of Firefox 154, I intend to turn Iterator.prototype.join on by default. It has been developed
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Intent to prototype and ship: Iterator Join
As of Firefox 154, I intend to turn Iterator.prototype.join on by default. It has been developed
Jun 16
Daniel Minor
Jun 16
Intent to prototype and ship: Iterator Includes
As of Firefox 154, I intend to turn Iterator.prototype.includes on by default. It has been developed
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Intent to prototype and ship: Iterator Includes
As of Firefox 154, I intend to turn Iterator.prototype.includes on by default. It has been developed
Jun 16
Sajid Anwar
,
Nicolas Chevobbe
2
Jun 16
Intent to Prototype: sibling-index() and sibling-count()
Thanks for implementing this, it's awesome I found a couple issues for DevTools: - Bug 2047874 -
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Intent to Prototype: sibling-index() and sibling-count()
Thanks for implementing this, it's awesome I found a couple issues for DevTools: - Bug 2047874 -
Jun 16
Sajid Anwar
,
Nicolas Chevobbe
2
Jun 16
Intent to Prototype: alpha() relative color function
That's great :) Note that I was playing with the current version in Nightly and I found a couple
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Intent to Prototype: alpha() relative color function
That's great :) Note that I was playing with the current version in Nightly and I found a couple
Jun 16
Masayuki Nakano
Jun 15
Some improvements of logging/debug printing with {fmt}
Hi, ` RefPtr `, ` nsCOMPtr `, ` mozilla::OwningNonNull `, ` mozilla::StaticAutoPtr ` and ` mozilla::
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Some improvements of logging/debug printing with {fmt}
Hi, ` RefPtr `, ` nsCOMPtr `, ` mozilla::OwningNonNull `, ` mozilla::StaticAutoPtr ` and ` mozilla::
Jun 15
Sajid Anwar
Jun 13
Intent to Prototype: CSS progress() function
Summary: The progress() CSS function computes the position of a value relative to a start and an end.
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Intent to Prototype: CSS progress() function
Summary: The progress() CSS function computes the position of a value relative to a start and an end.
Jun 13
Manuel Bucher
Jun 11
Intent-To-Unship: cookieBehavior LIMIT_FOREIGN (3) and REJECT_TRACKER (4)
We intend to remove support for two legacy cookie behaviors in Firefox: cookieBehavior=3 (
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Intent-To-Unship: cookieBehavior LIMIT_FOREIGN (3) and REJECT_TRACKER (4)
We intend to remove support for two legacy cookie behaviors in Firefox: cookieBehavior=3 (
Jun 11
Ryan Hunt
Jun 10
Intent to ship: WebAssembly JS-Promise-Integration
As of Fx153 I intend to enable WebAssembly JS-Promise-Integration (JSPI) by default on all platforms.
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Intent to ship: WebAssembly JS-Promise-Integration
As of Fx153 I intend to enable WebAssembly JS-Promise-Integration (JSPI) by default on all platforms.
Jun 10
Daniel Minor
,
Tom Ritter
4
Jun 2
Intent to prototype and ship: Intl.LocaleInfo
> What would the expected behaviour be in this case? If you're querying a specific locale,
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Intent to prototype and ship: Intl.LocaleInfo
> What would the expected behaviour be in this case? If you're querying a specific locale,
Jun 2
Daniel Minor
Jun 1
Intent to prototype and ship: Source Phase Imports
As of Firefox 153, I intend to turn Source Phase Imports on by default. It has been developed behind
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Intent to prototype and ship: Source Phase Imports
As of Firefox 153, I intend to turn Source Phase Imports on by default. It has been developed behind
Jun 1
Arnaud Bienner
May 29
Intent to ship: IndexedDB getAllRecords() and IDBGetAllOptions for getAll()/getAllKeys()
As of Firefox 153, I intend to ship getAllRecords and IDBGetAllOptions for getAll()/getAllKeys() by
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Intent to ship: IndexedDB getAllRecords() and IDBGetAllOptions for getAll()/getAllKeys()
As of Firefox 153, I intend to ship getAllRecords and IDBGetAllOptions for getAll()/getAllKeys() by
May 29
Olivier (shtrom) Mehani
2
May 28
`mach try` now uses the new lando instance
Hi all, More updates on try and new lando. On Thu, 16 Apr 2026 at 16:35, Olivier (shtrom) Mehani <
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`mach try` now uses the new lando instance
Hi all, More updates on try and new lando. On Thu, 16 Apr 2026 at 16:35, Olivier (shtrom) Mehani <
May 28
Simon Farre
May 22
Intent to prototype & ship: Picture in Picture API
As of Firefox 153 I intend to ship the Picture-in-Picture API by default. Summary: Implement the
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Intent to prototype & ship: Picture in Picture API
As of Firefox 153 I intend to ship the Picture-in-Picture API by default. Summary: Implement the
May 22
Eemeli Aro
May 21
Intent to Ship: Importing text modules
As of Firefox 153, I intend to turn text module imports on by default on all platforms. It has been
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Intent to Ship: Importing text modules
As of Firefox 153, I intend to turn text module imports on by default on all platforms. It has been
May 21
Bas Schouten
,
Alessio Placitelli
2
May 21
Removed Legacy Mirrors
Great job, Bas! On Wed, 20 May 2026 at 22:39, 'Bas Schouten' via firef...@mozilla.org <
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Removed Legacy Mirrors
Great job, Bas! On Wed, 20 May 2026 at 22:39, 'Bas Schouten' via firef...@mozilla.org <
May 21
Keith Cirkel
2
May 19
Intent to Ship: Parser changes to "select"
Errata: the flag is `dom.lift_select_parser_restrictions.enabled`, not `dom.element.popoverhint.
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Intent to Ship: Parser changes to "select"
Errata: the flag is `dom.lift_select_parser_restrictions.enabled`, not `dom.element.popoverhint.
May 19
Keith Cirkel
May 19
Intent to Ship: Popover=hint "new behaviours"
Summary: `popover=hint` attribute changed behaviours to smooth over some edge cases Bug: https://
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Intent to Ship: Popover=hint "new behaviours"
Summary: `popover=hint` attribute changed behaviours to smooth over some edge cases Bug: https://
May 19
Swarup Ukil
May 15
Intent to prototype: Advanced CSS attr() function
Summary: The basic CSS attr() function has been supported since Firefox 1; however, support for it
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Intent to prototype: Advanced CSS attr() function
Summary: The basic CSS attr() function has been supported since Firefox 1; however, support for it
May 15
Edgar Chen
May 13
Intent to prototype & ship: Pointer Lock unadjustedMovement
Summary: Element.requestPointerLock() gains a PointerLockOptions dictionary argument with a boolean
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Intent to prototype & ship: Pointer Lock unadjustedMovement
Summary: Element.requestPointerLock() gains a PointerLockOptions dictionary argument with a boolean
May 13
Leo Tenenbaum
May 12
Intent to Prototype: EditContext
Currently, the only ways to handle the diverse range of text input methods out there (IME composition
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Intent to Prototype: EditContext
Currently, the only ways to handle the diverse range of text input methods out there (IME composition
May 12
Kershaw Jang
May 12
[dev-platform] Intent to Prototype and Ship: Happy Eyeballs v3
Summary: We are introducing Happy Eyeballs v3, a new connection-establishment algorithm that replaces
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[dev-platform] Intent to Prototype and Ship: Happy Eyeballs v3
Summary: We are introducing Happy Eyeballs v3, a new connection-establishment algorithm that replaces
May 12
Emilio Cobos Álvarez
,
Nicolas Chevobbe
2
May 12
Intent to prototype and ship: CSS image(<color>) function (and use it for light-dark() images)
There's some minor work needed for DevTools (making sure that we show the color swatch for the
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Intent to prototype and ship: CSS image(<color>) function (and use it for light-dark() images)
There's some minor work needed for DevTools (making sure that we show the color swatch for the
May 12
Daniel Minor
,
Emilio Cobos Álvarez
2
May 7
Intent to prototype and ship: Error.stackTraceLimit
On 5/7/26 3:19 PM, 'Daniel Minor' via dev-pl...@mozilla.org wrote: > This originated as
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Intent to prototype and ship: Error.stackTraceLimit
On 5/7/26 3:19 PM, 'Daniel Minor' via dev-pl...@mozilla.org wrote: > This originated as
May 7
Kagami Rosylight
May 7
Intent to ship: Notification.actions
As of 2026-04-22 (I'm late, sorry) I intend to turn on web notification actions support by
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Intent to ship: Notification.actions
As of 2026-04-22 (I'm late, sorry) I intend to turn on web notification actions support by
May 7
Nishu Sheth
May 6
Automated NixOS Symbol Scraping
Hi all, I'm happy to share that we now have automated scraping of NixOS symbol information in
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Automated NixOS Symbol Scraping
Hi all, I'm happy to share that we now have automated scraping of NixOS symbol information in
May 6
Donal Meehan
May 6
Weekly Firefox dot release schedule starting with Firefox 151
Hi everyone, We're planning a release process change to improve how quickly and predictably we
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Weekly Firefox dot release schedule starting with Firefox 151
Hi everyone, We're planning a release process change to improve how quickly and predictably we
May 6
Sunil Mayya
2
May 6
[dev-platform] Intent to Prototype: No-Vary-Search HTTP Caching Extension
Summary: Today, two URLs that differ only in query parameters irrelevant to the response content (
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[dev-platform] Intent to Prototype: No-Vary-Search HTTP Caching Extension
Summary: Today, two URLs that differ only in query parameters irrelevant to the response content (
May 6
Sunil Mayya
2
May 6
[dev-platform] Intent to Prototype: Speculation Rules - Same-Origin Prefetch
Summary: The Speculation Rules API allows pages to declare hints about likely future navigations
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[dev-platform] Intent to Prototype: Speculation Rules - Same-Origin Prefetch
Summary: The Speculation Rules API allows pages to declare hints about likely future navigations
May 6
