On Tue, Feb 20, 2024 at 7:06 AM 'Dustin Mitchell' via blink-dev < [email protected]> wrote:
> Contact [email protected] > > Explainer > https://github.com/djmitche/web-explainers/blob/main/sec-ch-ua-form-factor.md > > Specificationhttps://wicg.github.io/ua-client-hints/#sec-ch-ua-form-factor > > Design docs > > https://github.com/djmitche/web-explainers/blob/main/sec-ch-ua-form-factor.md > > Summary > > This hint indicates the "form-factor" of the user-agent / device, so that > the site can tailor its response. > > > Blink componentBlink>Network > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ENetwork> > > Search tagsua-ch <https://chromestatus.com/features#tags:ua-ch>, uach > <https://chromestatus.com/features#tags:uach>, form-factor > <https://chromestatus.com/features#tags:form-factor> > > TAG reviewThis feature simply adds a new hint to the existing set of > hints, containing data that was previously represented in the user-agent > string. > Although this info may be available, I suspect this can be a new channel of information for clients that override the user-agent string or where this information isn't provided in the user-agent string. I don't believe this to be a problem, but just something to consider > > > TAG review statusNot applicable > > Risks > > > Interoperability and Compatibility > > If other browsers do not implement this hint, then the information will > only be available in Chrome, and other browsers will implicitly return an > empty value. > > > *Gecko*: No signal > > *WebKit*: No signal > Can you please file requests for positions for both Gecko and WebKit? > *Web developers*: No signals > > *Other signals*: > > Ergonomics > > None - this fits with existing, similar client hints. > > > Activation > > No activation risks - developers will always need to handle the situation > where this hint is unavailable. > > > Security > > None > > > 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 change to existing behavior; this adds a new hint which sites must opt > in to. Killswitch is available: ClientHintsFormFactor > > > Debuggability > > No changes in the checklist apply. > > > 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> > ?Yes > > Included in existing tests for other client hints: > https://wpt.fyi/results/html/webappapis/system-state-and-capabilities/the-navigator-object/navigator_user_agent.https.html?label=experimental&label=master&aligned > https://wpt.fyi/results/workers/WorkerNavigator_userAgentData.https.html?label=experimental&label=master&aligned > > > DevTrial instructions > https://github.com/djmitche/web-explainers/blob/main/sec-ch-ua-form-factor-howto.md > > Flag name on chrome://flagsNone > > Finch feature nameClientHintsFormFactor > > Requires code in //chrome?True > > Tracking bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1442283 > > Launch bughttps://launch.corp.google.com/launch/4258684 > > MeasurementNone > > Availability expectationFeature is available only in Chromium browsers > for the foreseeable future. > > Adoption expectationFeature is used by specific partner(s) to provide > functionality within 12 months of launch in Chrome. > > Adoption planNew form-factors will add additional strings to this hint, > within the values given in the draft spec. The ClientHintsXRFormFactor > gates one such addition. > > Estimated milestones > Shipping on desktop 123 > DevTrial on desktop 122 > Shipping on Android 123 > DevTrial on Android 122 > Shipping on WebView 123 > > Anticipated spec changes > > Open questions about a feature may be a source of future web compat or > interop issues. Please list open issues (e.g. links to known github issues > in the project for the feature specification) whose resolution may > introduce web compat/interop risk (e.g., changing to naming or structure of > the API in a non-backward-compatible way). > No open issues > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5162545698045952 > > Links to previous Intent discussionsIntent to prototype: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CALMtyTTPUMfjo2v9s%3DKMALpS5MUcicvpM2ycNtz6GbRZ9JOaXQ%40mail.gmail.com > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CALMtyTRPFmmHkrk24dSby%2B1bqTft%3DtUG-btxP_bg4Ckx4DNarw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CALMtyTRPFmmHkrk24dSby%2B1bqTft%3DtUG-btxP_bg4Ckx4DNarw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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