Ready for Developer Testing: Intl.Locale.prototype.variants

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Oct 17, 2025, 8:59:39 PM (15 hours ago) Oct 17
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Specification
https://tc39.es/ecma402/#sec-Intl.Locale.prototype.variants

Summary
Add Intl.Locale.prototype.variants as stated in https://tc39.es/ecma402/#sec-Intl.Locale.prototype.variants and also accept "variants" in option bag in Intl.Locale consturctor as in https://tc39.es/ecma402/#sec-updatelanguageid The changes to ECMA402 is merged in https://github.com/tc39/ecma402/pull/960 and the test code in test262 are merged in in https://github.com/tc39/test262/pull/4474/

Blink component
Blink>JavaScript>Internationalization

Web Feature ID
intl-locale

Risks


Interoperability and Compatibility
No information provided

Gecko: No signal

WebKit: No signal

Web developers: No signals

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?

No information provided


Debuggability
No information provided

Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?
No

Is this feature fully tested by web-platform-tests?
No


Flag name on about://flags
No information provided

Finch feature name
No information provided

Non-finch justification
No information provided

Requires code in //chrome?
False

Estimated milestones

No milestones specified



Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/4709921706868736

Links to previous Intent discussions
Intent to Prototype: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/68e5bd35.050a0220.3258b8.05f2.GAE%40google.com


This intent message was generated by Chrome Platform Status.
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