Hey Deepti,

Are you able to summarize developer feedback from the OT?

Best,

Alex

On Friday, April 25, 2025 at 1:58:12 PM UTC-7 Deepti Bogadi wrote:

> Contact emails
>
> dome...@chromium.org, fer...@chromium.org, kenjibah...@chromium.org, 
> a...@chromium.org, memm...@chromium.org, christin...@chromium.org, 
> dbog...@chromium.org
>
> Explainer
>
> https://github.com/WICG/translation-api/blob/main/README.md
>
> Specification
>
> https://webmachinelearning.github.io/translation-api/#language-detector-api
>
> Note that although the translator API and language detector APIs both live 
> in a single specification, they can be implemented independently, and this 
> Intent is only for the language detector API.
>
> Summary
>
> A JavaScript API for detecting the language of text, with confidence 
> levels.
>
>
> Blink component
>
> Blink>AI>Language Detection 
> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EAI%3ELanguage%20Detection%22>
>
> TAG review
>
> https://github.com/w3ctag/design-reviews/issues/948
>
> TAG review status
>
> Issues addressed
>
> The TAG had a number of questions and suggestions, particularly around API 
> shape, all of which were addressed and incorporated into the design.
>
> Origin Trial Name
>
> Language Detector API
>
> Chromium Trial Name
>
> LanguageDetectionAPI
>
> Origin Trial documentation link
>
> https://github.com/WICG/translation-api/blob/main/README.md
>
> WebFeature UseCounter name
>
> kV8LanguageDetector_Detect_Method
>
> Risks
> Interoperability and Compatibility
>
> This feature, like all built-in AI features, has inherent interoperability 
> risks due to the use of AI models whose behavior is not fully specified. 
> See some general discussion in 
> https://www.w3.org/reports/ai-web-impact/#interop.
>
> By providing a high-level API with clear output formats, as well as a 
> capabilities API for detecting what a given browser supports, we believe we 
> can guide web developers toward using the API in an interoperable way that 
> does not depend on the specific models that a given browser or browser 
> version uses.
>
> Gecko: No signal (
> https://github.com/mozilla/standards-positions/issues/1015)
>
> WebKit: No signal (
> https://github.com/WebKit/standards-positions/issues/339)
>
> Web developers: Positive (https://github.com/WICG/proposals/issues/147)
>
> Other signals:
>
> Ergonomics
>
> This API will likely frequently be used in concert with the translator API 
> (https://chromestatus.com/feature/5172811302961152).
>
> The language detection is run on the main thread, the same as the 
> browser's built-in language detection. The inference is fast enough that it 
> is not a concern.
>
>
> Activation
>
> This feature would definitely benefit from having polyfills, backed by any 
> of: cloud services, lazily-loaded on-device models using WebGPU, or the web 
> developer's own server. We anticipate seeing an ecosystem of such polyfills 
> grow as more developers experiment with this API.
>
>
> 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
>
> Basic tooling suffices
>
>
> 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 
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ?
>
> The WPTs test the API surface, but since no specific language is 
> guaranteed to be supported, we cannot test the actual language detection. 
> Some tests will need to be marked as optional as they assume certain 
> language support. They also currently do not pass on wpt.fyi since it runs 
> without a language detection model, so creation of LanguageDetector fails.
>
> Flag name on about://flags
>
> language-detection-api
>
> Finch feature name
>
> LanguageDetectionAPI
>
> Rollout plan
>
> Will ship enabled for all users
>
> Requires code in //chrome?
>
> False
>
> Measurement
>
> kV8AILanguageDetector_Detect_Method
>
> Estimated milestones
>
> Shipping on desktop
>
> 137
>
> Origin trial desktop first
>
> 130
>
> Origin trial desktop last
>
> 135
>
> Origin trial extension 1 end milestone
>
> 138
>
> DevTrial on desktop
>
> 129
>
> Origin trial Android first
>
> 130
>
> Origin trial Android last
>
> 135
>
> DevTrial on Android
>
> 129
>
> Origin trial WebView first
>
> 130
>
> Origin trial WebView last
>
> 135
>
>
> Anticipated spec changes
>
> None but the API shape is designed with extensibility in mind
>
> Link to entry on the Chrome Platform Status
>
> https://chromestatus.com/feature/6494349985841152?gate=5122129510268928
>
> Links to previous Intent discussions
>
> Intent to Prototype: 
> https://groups.google.com/a/chromium.org/g/blink-dev/c/Ie46tc6_8so/m/eY1huFmOAAAJ
>
> Intent to Experiment: 
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAM0wra-WvH-sxxWndwAWPLF3eEYqeLhXrz-VmZKH4Wxzbpse-Q%40mail.gmail.com
> Intent to Extend Experiment 1: 
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAO4d-SsFc3ucbmasgZmWn4PE_TOMMnWZQCzrL%3DXbbo5tDxMSOg%40mail.gmail.com
>
> This intent message was generated by Chrome Platform Status 
> <https://chromestatus.com/>.
>

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