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> 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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