Hi Philip, Daniel,

I have initiated the API owner review along with other reviews, which should 
now be visible. A separate email has been sent for the review. Please take a 
moment to look over it. Thank you for your time.

Thank you,
Sejal


________________________________
From: Philip Jägenstedt <foo...@chromium.org>
Sent: Wednesday, July 2, 2025 9:08 PM
To: Daniel Bratell <bratel...@gmail.com>
Cc: Sejal Anand <sejalan...@microsoft.com>; 一丝 <yio...@gmail.com>; blink-dev 
<blink-dev@chromium.org>; Ragvesh Sharma's Organization (FTE) 
<ragvesh_org_...@microsoft.com>
Subject: Re: [blink-dev] Re: [EXTERNAL] Re: Intent to Ship: Support 
font-feature-settings descriptor in @font-face rule

Hi Sejal,

It's great to the progress on this, I believe it's one of the most highly 
upvoted font-related features.

https://chromestatus.com/feature/5102801981800448 still doesn't show up in the 
list of features to review/approve, please feel free to reach out off list if 
you can't find the right buttons to press.

Best regards,
Philip

On Wed, Jul 2, 2025 at 4:51 PM Daniel Bratell 
<bratel...@gmail.com<mailto:bratel...@gmail.com>> wrote:

This does not show up on the API Owner dashboard in Chromestatus so maybe you 
have missed pushing it there? There are some other reviews that should be 
started there at the same time.


/Daniel


On 2025-07-02 07:04, 'Sejal Anand' via blink-dev wrote:


The review for the font-variation-settings 
CL<https://chromium-review.googlesource.com/c/chromium/src/+/6582382> 
<https://chromium-review.googlesource.com/c/chromium/src/+/6582382> is 
currently underway. Due to notable differences in implementation and 
interoperability, I have created a separate Chrome status entry for it. If 
necessary, we can wait until the variation settings CL is merged.

Thank you,
Sejal


________________________________
From: 一丝 <yio...@gmail.com><mailto:yio...@gmail.com>
Sent: Monday, June 30, 2025 2:22 PM
To: blink-dev <blink-dev@chromium.org><mailto:blink-dev@chromium.org>
Cc: Sejal Anand <sejalan...@microsoft.com><mailto:sejalan...@microsoft.com>; 
Ragvesh Sharma's Organization (FTE) 
<ragvesh_org_...@microsoft.com><mailto:ragvesh_org_...@microsoft.com>
Subject: [EXTERNAL] Re: Intent to Ship: Support font-feature-settings 
descriptor in @font-face rule


You don't often get email from yio...@gmail.com<mailto:yio...@gmail.com>. Learn 
why this is important<https://aka.ms/LearnAboutSenderIdentification>


Thanks for your work, this is a feature that Blink has been lacking for a long 
time, very much looking forward to it!


Are you planning to ship the `font-variation-settings` together? We hope they 
can be released together.

在2025年6月29日星期日 UTC+8 
15:57:03<sejal...@microsoft.com><mailto:sejal...@microsoft.com> 写道:


Contact emails
sejal...@microsoft.com

Explainer
None

Specification
https://www.w3.org/TR/css-fonts-4/#font-rend-desc

Summary
As CSS allows fine control over font features using 'font-feature-settings' at 
the element level, Chromium-based browsers currently lack support for these 
properties within '@font-face' declarations.

This feature supports the string-based syntax for font-feature-settings as 
defined in CSS Fonts Level 4. Invalid or unrecognized feature tags will be 
ignored per specification. No binary or non-standard forms are supported.

As OpenType fonts become more widely adopted, this enhancement will improve 
typographic control, reduce redundancy, and support a more scalable, modern 
approach to web design.

Blink component
Blink>Fonts<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EFonts%22>

Motivation
CSS already provides a 'font-feature-settings' property for controlling 
OpenType features at the element level. However, Chromium does not currently 
support it within @font-face declarations, unlike Firefox and Safari.

This limitation prevents developers from configuring font behavior during font 
loading, forcing redundant declarations across individual components or 
elements.

Supporting these descriptors in Chromium would let developers define font 
behavior once—at the source—improving consistency, reducing repetition, and 
making it easier to verify applied settings through DevTools.


Initial public proposal
None

TAG review
None

TAG review status
Not applicable

Risks


Interoperability and Compatibility


Gecko: Shipped/Shipping (https://bugzilla.mozilla.org/show_bug.cgi?id=1355366)

WebKit: Shipped/Shipping (https://bugs.webkit.org/show_bug.cgi?id=63618)

Web developers: Positive 
(https://stackoverflow.com/questions/27486680/how-to-set-default-font-feature-settings)
 Over 30 users have indicated that they are affected by this issue and its 
related duplicates, as noted in https://issues.chromium.org/issues/40398871 and 
https://issues.chromium.org/issues/324519293

Other signals:

WebView application risks
Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?
None


Debuggability
Existing DevTools capabilities already cover this.


Is this feature fully tested by 
web-platform-tests<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
Yes
https://wpt.fyi/results/css/css-fonts/font-feature-settings-descriptor-02.html?label=master&label=experimental&aligned
https://wpt.fyi/results/css/css-fonts?label=master&label=experimental&aligned&q=font-feature-settings-descriptor-binary.html


Flag name on about://flags


Finch feature name
FontFeatureSettingsDescriptor

Requires code in //chrome?
False

Tracking bug
https://issues.chromium.org/issues/40398871

Estimated milestones
Shipping on desktop
139
Shipping on Android
139
Shipping on WebView
139
Shipping on iOS
139


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5102801981800448?gate=5099341546782720

This intent message was generated by Chrome Platform 
Status<https://chromestatus.com/>.



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