I just did a fresh review of that spec and explainer. Thanks for addressing many of the previous issues. This addresses many of the potential objections.
Here’s the new issues I filed: https://github.com/WICG/ua-client-hints/issues/141 <https://github.com/WICG/ua-client-hints/issues/141> https://github.com/WICG/ua-client-hints/issues/142 <https://github.com/WICG/ua-client-hints/issues/142> https://github.com/WICG/ua-client-hints/issues/143 <https://github.com/WICG/ua-client-hints/issues/143> https://github.com/WICG/ua-client-hints/issues/144 <https://github.com/WICG/ua-client-hints/issues/144> https://github.com/WICG/ua-client-hints/issues/145 <https://github.com/WICG/ua-client-hints/issues/145> https://github.com/WICG/ua-client-hints/issues/146 <https://github.com/WICG/ua-client-hints/issues/146> https://github.com/WICG/ua-client-hints/issues/147 <https://github.com/WICG/ua-client-hints/issues/147> https://github.com/WICG/ua-client-hints/issues/148 <https://github.com/WICG/ua-client-hints/issues/148> https://github.com/WICG/ua-client-hints/issues/149 <https://github.com/WICG/ua-client-hints/issues/149> https://github.com/WICG/ua-client-hints/issues/150 <https://github.com/WICG/ua-client-hints/issues/150> https://github.com/WICG/ua-client-hints/issues/151 <https://github.com/WICG/ua-client-hints/issues/151> Most of these are minor/editorial, but I think 151 is potentially a deal-breaker. I may be misreading the spec, but as written getHighEntropyValues seems to give access to all of the high entropy client hints to third-party scripts in the first party context, and scripts running in third-party iframes, regardless of which ones the site has opted into via the relevant HTTP header. That would be a huge problem, as it would grant a lot of active fingerprinting surface unnecessarily (perhaps even expanding beyond what is currently possible with the UA string). Regards, Maciej > On Oct 27, 2020, at 12:35 AM, Yoav Weiss <y...@yoav.ws> wrote: > > Yet-another ping! :) > > On Wed, Oct 7, 2020 at 8:23 AM Yoav Weiss <y...@yoav.ws > <mailto:y...@yoav.ws>> wrote: > Friendly ping! :) > > On Wed, Sep 30, 2020 at 9:29 AM Yoav Weiss <y...@yoav.ws > <mailto:y...@yoav.ws>> wrote: > Hi WebKit folks, > > Circling back on the previous discussion > <https://lists.webkit.org/pipermail/webkit-dev/2020-May/031195.html> about > User-Agent ClientHint. The feature was implemented in Chromium and is being > rolled out in Chrome. > > There were some concerns mentioned in the previous thread, that we believe > were since addressed. Would the feature be something that WebKit would > consider shipping? > > Cheers :) > Yoav > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev
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