LGTM1 Thanks for addressing feedback from other vendors on `Sec-CH-Full-Version`'s design!
On Mon, Nov 22, 2021 at 5:39 PM Victor Tan <victor...@chromium.org> wrote: > Contact emails > > victor...@chromium.org, miketa...@chromium.org, jadekess...@chromium.org > > > Specification > > https://wicg.github.io/ua-client-hints/#sec-ch-ua-full-version-list > > > Summary > > The Sec-CH-UA-Full-Version-List request header field gives a server > information about the full version for each brand in its brands list. > > > Blink component > > Privacy>Fingerprinting > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Privacy%3EFingerprinting> > > > Motivation > > As raised in UA-CH Issue 196 > <https://github.com/WICG/ua-client-hints/issues/196>, > Sec-CH-UA-Full-Version can be considered too tightly bound to the primary > brand in the brand list > <https://wicg.github.io/ua-client-hints/#user-agent-brands>, especially > for embedders. In order to prevent classes of bugs where a site might think > the fictional “Hamburger” browser is not up to date (because its version > scheme is different, and lower than Chromium’s), we propose to expose the > full version of each brand in the brand list, by requesting this new client > hint. > > Here’s what that would look like: > > Sec-CH-UA-Full-Version-List: “Hamburger”; v="92.0.902.73", "Chromium"; > v="92.0.4515.131", "?Not:A Browser"; v="3.1.2.0" > > Eventually, it will make sense to deprecate and remove > Sec-CH-UA-Full-Version > <https://wicg.github.io/ua-client-hints/#sec-ch-ua-full-version> > (assuming usage allows us to do so). But we do not intend to do that until > we ship its replacement. > > > Initial public proposalhttps://github.com/WICG/ua-client-hints/issues/196 > > TAG review > > https://github.com/w3ctag/design-reviews/issues/640 > > > TAG review status > > Pending (there’s a pre-existing review, and this hint came up in the > review process as feedback from other browsers, so the TAG is aware of it). > > > RisksInteroperability and CompatibilityThis is a new hint, so it should > not create compatibility issues. > > Edge: This hint was added to solve a bug (maybe a feature request?) > <https://github.com/WICG/ua-client-hints/issues/196> by Edge folks. > > Gecko: Non-harmful ( > https://mozilla.github.io/standards-positions/#ua-client-hints) > > WebKit: Requested through email > <https://lists.webkit.org/pipermail/webkit-dev/2021-November/032047.html> > > Web developers: No signals > Debuggability > > No special DevTools support needed. It should just work™. > > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md> > ? > > Yes. https://chromium-review.googlesource.com/c/chromium/src/+/3256910 > > > Flag name > > UserAgentClientHintFullVersionList > > Requires code in //chrome? > > False > > > Tracking bug > > https://bugs.chromium.org/p/chromium/issues/detail?id=1249246 > > > Launch bug > > https://bugs.chromium.org/p/chromium/issues/detail?id=1260418 > > > Link to entry on the Chrome Platform Status > > https://chromestatus.com/feature/5703317813460992 > > -- > 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/CAJh4P7FdCmHAA-8b1CH_So%3D2Fur2dZO8SKNetWmEetQ1KcP9_A%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAJh4P7FdCmHAA-8b1CH_So%3D2Fur2dZO8SKNetWmEetQ1KcP9_A%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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/CAL5BFfWGKQx9ECJSFwAz9ejvmz36vp%2B1jrCDrYAAcFP_Pk%2BrYg%40mail.gmail.com.