Thanks for the comments! On Tue, Feb 20, 2024 at 11:10 AM Vladimir Levin <vmp...@chromium.org> wrote:
> > > On Tue, Feb 20, 2024 at 7:06 AM 'Dustin Mitchell' via blink-dev < > blink-dev@chromium.org> wrote: > >> Contact emailsdjmit...@chromium.org >> >> Explainer >> https://github.com/djmitche/web-explainers/blob/main/sec-ch-ua-form-factor.md >> >> Specification >> https://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 > That's a good point, and likely needs to be considered for all client hints. Do you think it's worth adding an issue in https://github.com/WICG/ua-client-hints to track this? > >> >> >> 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? > Gecko: https://mozilla.github.io/standards-positions/#ua-client-hints Webkit: https://lists.webkit.org/pipermail/webkit-dev/2024-February/032618.html > > >> *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 blink-dev+unsubscr...@chromium.org. >> 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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