Contact emails
s...@chromium.org, seo...@chromium.org

Explainer
None


Specification
https://tc39.es/proposal-float16array


Summary

Adds the Float16Array typed array. Number values are rounded to IEEE fp16 when 
writing into Float16Array instances.



Blink component
Blink>JavaScript>Language


TAG review
None


TAG review status
Not applicable


Risks




Interoperability and Compatibility

None.


Gecko: Shipped/Shipping 
(https://www.mozilla.org/en-US/firefox/129.0/releasenotes)

WebKit: Shipped/Shipping 
(https://developer.apple.com/documentation/safari-technology-preview-release-notes/stp-release-202)

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?

None




Debuggability

Debuggable like the existing typed array constructors



Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, 
ChromeOS, Android, and Android WebView)?
Yes


Is this feature fully tested by web-platform-tests?
Yes
In test262: https://github.com/tc39/test262/pull/3849



Flag name on about://flags
--js-float16array


Finch feature name
V8Flag_js_float16array


Requires code in //chrome?
False


Tracking bug
https://issues.chromium.org/issues/42203953


Estimated milestones


Shipping on desktop 135

DevTrial on desktop 124

Shipping on Android 135

DevTrial on Android 124

Shipping on WebView 135




Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop 
issues. Please list open issues (eg links to known github issues in the project 
for the feature specification) whose resolution may introduce web 
compat/interop risk (eg, changing to naming or structure of the API in a 
non-backward-compatible way).
None


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5164400693215232?gate=6205029258887168


This intent message was generated by Chrome Platform Status.

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