Groups

dev-platform@mozilla.org

1–30 of 1054

0 selected

Emilio Cobos Álvarez

Mar 3

Intent to prototype and ship: CSS revert-rule keyword

Summary: Add a CSS-wide keyword that allows reversing a single rule from the cascade, rather than a

unread,

Intent to prototype and ship: CSS revert-rule keyword

Summary: Add a CSS-wide keyword that allows reversing a single rule from the cascade, rather than a

Mar 3

Gabriele Svelto

Mar 3

macOS system symbols are now scraped automatically

[cross-posting to stability] Hello all, I'm glad to inform you that symbol information for macOS

unread,

macOS system symbols are now scraped automatically

[cross-posting to stability] Hello all, I'm glad to inform you that symbol information for macOS

Mar 3

Marco Castelluccio, … Nicolas Qiu Guichard3

Mar 3

Code coverage data is now exclusively in Searchfox

Hi, Le mardi 3 mars 2026, 12:34:40 heure normale d'Europe centrale 'Tom Ritter' via dev-

unread,

Code coverage data is now exclusively in Searchfox

Hi, Le mardi 3 mars 2026, 12:34:40 heure normale d'Europe centrale 'Tom Ritter' via dev-

Mar 3

Emilio Cobos Álvarez

Feb 27

Intent to prototype: Use SkPDF as our default print-to-pdf back-end

Hi all, In bug 2020017, I plan to start testing the SkPDF back-end on Nightly builds for print-to-pdf

unread,

Intent to prototype: Use SkPDF as our default print-to-pdf back-end

Hi all, In bug 2020017, I plan to start testing the SkPDF back-end on Nightly builds for print-to-pdf

Feb 27

Frédéric Wang

Feb 22

Intent to unship: Adjustment of default MathML operator lspace/rspace when math-depth > 0

As of Firefox 150, I intend to remove adjustment of default MathML operator lspace/rspace when math-

unread,

Intent to unship: Adjustment of default MathML operator lspace/rspace when math-depth > 0

As of Firefox 150, I intend to remove adjustment of default MathML operator lspace/rspace when math-

Feb 22

Feb 19

Intent to ship: ariaNotify

As of Firefox 150, I intend to turn ariaNotify on by default on all platforms. It has been developed

unread,

Intent to ship: ariaNotify

As of Firefox 150, I intend to turn ariaNotify on by default on all platforms. It has been developed

Feb 19

Feb 19

Intent to prototype & ship document.caretRangeFromPoint

Summary: caretRangeFromPoint is a non-standard API for obtaining a Range object (node and position

unread,

Intent to prototype & ship document.caretRangeFromPoint

Summary: caretRangeFromPoint is a non-standard API for obtaining a Range object (node and position

Feb 19

Feb 18

Intent to Ship: HTMLMediaElement.captureStream

Starting with Firefox 149, HTMLMediaElement.captureStream() will be enabled by default. captureStream

unread,

Intent to Ship: HTMLMediaElement.captureStream

Starting with Firefox 149, HTMLMediaElement.captureStream() will be enabled by default. captureStream

Feb 18

Keith Cirkel, Nicolas Chevobbe3

Feb 17

Intent to Ship: CloseWatcher

We delayed shipping this due to Android support - it has been shipping in Desktop Nightly since ~140.

unread,

Intent to Ship: CloseWatcher

We delayed shipping this due to Android support - it has been shipping in Desktop Nightly since ~140.

Feb 17

Feb 13

The next Nightly on Windows will be using the parent binary for GMP processes

Well that didn't last long. This has been disabled by default after Bug 2016525 was reported. On

unread,

The next Nightly on Windows will be using the parent binary for GMP processes

Well that didn't last long. This has been disabled by default after Bug 2016525 was reported. On

Feb 13

Ryan VanderMeulen

Feb 11

Nightly soft freeze discontinuation and updated Beta schedule starting with Firefox 149

Hi everyone, We're making a release process change to reduce end-of-cycle friction in Nightly and

unread,

Nightly soft freeze discontinuation and updated Beta schedule starting with Firefox 149

Hi everyone, We're making a release process change to reduce end-of-cycle friction in Nightly and

Feb 11

Frédéric Wang

Feb 5

Intent to Ship: font-family: math

As of today (2026-02-05), we intend to turn support for font-family: math on by default. It has been

unread,

Intent to Ship: font-family: math

As of today (2026-02-05), we intend to turn support for font-family: math on by default. It has been

Feb 5

Feb 3

Intent to Ship: Popover=hint

Summary: Support for the additional ephemeral (hint) popover layer with `popover=hint` attribute Bug:

unread,

Intent to Ship: Popover=hint

Summary: Support for the additional ephemeral (hint) popover layer with `popover=hint` attribute Bug:

Feb 3

Jan 30

Firefox Security & Privacy Newsletter Q4 2025

Welcome to the Q4 2025 edition of the Firefox Security & Privacy Newsletter. Security and privacy

unread,

Firefox Security & Privacy Newsletter Q4 2025

Welcome to the Q4 2025 edition of the Firefox Security & Privacy Newsletter. Security and privacy

Jan 30

Simon Farre, Nicolas Chevobbe2

Jan 29

Intent to prototype & ship Reporting API

At the moment, the Reporting API report requests are not visible in the DevTools Netmonitor for the

unread,

Intent to prototype & ship Reporting API

At the moment, the Reporting API report requests are not visible in the DevTools Netmonitor for the

Jan 29

Kagami Rosylight, … Jake Archibald4

Jan 28

Intent to prototype: JPEG XL decoding in Rust

I don't have a CLI benchmark unfortunately, just https://random-stuff.jakearchibald.com/apps/img-

unread,

Intent to prototype: JPEG XL decoding in Rust

I don't have a CLI benchmark unfortunately, just https://random-stuff.jakearchibald.com/apps/img-

Jan 28

Jan 22

Fwd: [NOTICE] FirefoxCI Scheduled Downtime with Trees Closed (Jan 22)

Maintenance is now complete! If you ran into any issues running FxCI tasks in your GitHub integration

unread,

Fwd: [NOTICE] FirefoxCI Scheduled Downtime with Trees Closed (Jan 22)

Maintenance is now complete! If you ran into any issues running FxCI tasks in your GitHub integration

Jan 22

Jan 19

Intent to Prototype: Container Timing API

Summary: The Container Timing API enables monitoring when annotated sections of the DOM are displayed

unread,

Intent to Prototype: Container Timing API

Summary: The Container Timing API enables monitoring when annotated sections of the DOM are displayed

Jan 19

Jan 18

Intent to prototype and ship: CSS vertical-align shorthand, alignment-baseline, and baseline-shift

Summary: The CSS Inline Layout Module Level 3 specification converts the existing vertical-align

unread,

Intent to prototype and ship: CSS vertical-align shorthand, alignment-baseline, and baseline-shift

Summary: The CSS Inline Layout Module Level 3 specification converts the existing vertical-align

Jan 18

Jan 15

Intent to prototype: ariaNotify

Summary: An imperative API for accessibility notifications as a more ergonomic and reliable

unread,

Intent to prototype: ariaNotify

Summary: An imperative API for accessibility notifications as a more ergonomic and reliable

Jan 15

Kagami Rosylight

Jan 14

Intent to ship: colorspace and alpha attributes for `<input type=color>`

Summary: The new colorspace and alpha attributes controls the output by color picking, eg using the

unread,

Intent to ship: colorspace and alpha attributes for `<input type=color>`

Summary: The new colorspace and alpha attributes controls the output by color picking, eg using the

Jan 14

Jan 13

Engineering Effectiveness Newsletter (Q4 2025 Edition)

Welcome to the Q4 edition of the Engineering Effectiveness Newsletter! The Engineering Effectiveness

unread,

Engineering Effectiveness Newsletter (Q4 2025 Edition)

Welcome to the Q4 edition of the Engineering Effectiveness Newsletter! The Engineering Effectiveness

Jan 13

Keith Cirkel, Nicolas Chevobbe2

Jan 13

Intent to Prototype: "Customizable Select"

That's great to hear, really looking forward being able to do more with selects :) I filed https:

unread,

Intent to Prototype: "Customizable Select"

That's great to hear, really looking forward being able to do more with selects :) I filed https:

Jan 13

Jan 12

Soft code freeze for Firefox 148 starts on January 8

The version bump to 149 has now landed on mozilla-central and the soft freeze period is over. Thanks,

unread,

Soft code freeze for Firefox 148 starts on January 8

The version bump to 149 has now landed on mozilla-central and the soft freeze period is over. Thanks,

Jan 12

Greg Stoll, … Thomas Steiner3

Jan 8

Intent to prototype: Add-On-Gated Web Serial

On Tue, Dec 23, 2025 at 4:28 PM 'Kagami Rosylight' via dev-pl...@mozilla.org <dev-

unread,

Intent to prototype: Add-On-Gated Web Serial

On Tue, Dec 23, 2025 at 4:28 PM 'Kagami Rosylight' via dev-pl...@mozilla.org <dev-

Jan 8

Jan 2

Intent to prototype: HTMLMediaElement.captureStream()

Summary: `HTMLMediaElement.captureStream()` is a standards-based API that exposes a `MediaStream`

unread,

Intent to prototype: HTMLMediaElement.captureStream()

Summary: `HTMLMediaElement.captureStream()` is a standards-based API that exposes a `MediaStream`

Jan 2

Kagami Rosylight

12/23/25

Intent to prototype: Replacing <input type=color> picker with in-browser popup

As of 2025-12-21 I intend to replace the current platform-specific color picker with a common cross-

unread,

Intent to prototype: Replacing <input type=color> picker with in-browser popup

As of 2025-12-21 I intend to replace the current platform-specific color picker with a common cross-

12/23/25

Keith Cirkel, … Nicolas Chevobbe4

12/18/25

Intent to Prototype: CSS gradient easing functions

No bug yet, but a WIP patch for folks to try is here: https://phabricator.services.mozilla.com/

unread,

Intent to Prototype: CSS gradient easing functions

No bug yet, but a WIP patch for folks to try is here: https://phabricator.services.mozilla.com/

12/18/25

12/16/25

Intent to ship: Sanitizer API

As of Firefox 148, we intend to turn on the HTML Sanitizer API. Summary: Right now, to sanitize a

unread,

Intent to ship: Sanitizer API

As of Firefox 148, we intend to turn on the HTML Sanitizer API. Summary: Right now, to sanitize a

12/16/25

Swarup Ukil, Nicolas Chevobbe2

12/16/25

Intent to prototype and ship: support shape() in basic-shape

Thanks Swarup for investigating this, it's exciting The DevTools bug you pointed to (https://

unread,

Intent to prototype and ship: support shape() in basic-shape

Thanks Swarup for investigating this, it's exciting The DevTools bug you pointed to (https://

12/16/25

Search

Clear search

Close search

Google apps

Main menu