can anyone take a look at this? thanks. :) On Wednesday, August 16, 2023 at 1:40:38 PM UTC-4 Chris Harrelson wrote:
> LGTM1 > > On Tue, Aug 15, 2023 at 2:19 PM Victor Tan <vict...@chromium.org> wrote: > >> Currently, we haven't confirmed the public plan for user-agent reduction >> on WeView. We won't do user-agent reduction before completing roll-out >> user-agent client hints. >> >> Victor >> >> On Tue, Aug 15, 2023 at 5:13 PM Bhanu Vattikonda <vbh...@google.com> >> wrote: >> >>> Is there a corresponding User-Agent reduction plan for Android WebView? >>> >>> On Tuesday, August 15, 2023 at 12:30:17 PM UTC-7 vict...@chromium.org >>> wrote: >>> >>>> Contact emails >>>> >>>> vict...@chromium.org, mike...@chromium.org >>>> >>>> Explainer >>>> >>>> https://github.com/WICG/client-hints-infrastructure#readme >>>> >>>> >>>> https://github.com/WICG/ua-client-hints#explainer-reducing-user-agent-granularity >>>> >>>> Specification >>>> >>>> https://wicg.github.io/ua-client-hints/ >>>> >>>> Summary >>>> >>>> User-agent client hints (a set of `Sec-CH-UA-*`) aim to deprecate and >>>> replace the User-Agent header to reduce the passive fingerprinting surface >>>> we expose via HTTP requests. As we previously rolled-out user-agent client >>>> hints on Windows, Mac, Linux, Chrome OS and Android, we intend to proceed >>>> with shipping user-agent client hints on Android WebView. For overridden >>>> user-agent strings, we only populate user-agent client hints if the >>>> overridden user-agent contains the default user-agent. In this case, we >>>> will only generate low-entropy user-agent client hints If users also >>>> override the user-agent string through command-line. >>>> >>>> Blink component >>>> >>>> Blink>Network>ClientHints >>>> >>>> TAG review >>>> >>>> https://github.com/w3ctag/design-reviews/issues/320 >>>> >>>> TAG review status >>>> >>>> Closed. >>>> >>>> Risks >>>> Interoperability and Compatibility >>>> >>>> Introducing User-Agent client hints in itself won't affect any page >>>> since it's purely opt-in features. It helps us to improve the >>>> interoperability between Chrome and WebView. >>>> >>>> Here is our proposed rollout plan in Chrome Stable channel >>>> (Canary/Dev/Beta has been enabled 50%), with the understanding that if we >>>> discover concerning breakage or regressions via health metrics or bug >>>> reports we will pause the rollout: >>>> >>>> >>>> Stage >>>> >>>> Duration >>>> >>>> Date >>>> >>>> Stable 1% (M116+) >>>> >>>> M116 stable release is shipping to 100% (a best guess) >>>> >>>> Aug 22, 2023 >>>> >>>> Stable 10% (M116+) >>>> >>>> ~2 weeks after previous stage >>>> >>>> Sep 5, 2023 >>>> >>>> TOT Default (M117) >>>> >>>> ~2 weeks after previous stage >>>> >>>> Sep 19, 2023 >>>> >>>> Stable 100% (M116=>M117) >>>> >>>> ~ Same business day as previous stage >>>> >>>> Sep 19, 2023 >>>> >>>> Gecko: Non-harmful on User-Agent client hints ( >>>> https://github.com/mozilla/standards-positions/issues/202). >>>> >>>> WebKit: No signals ( >>>> https://github.com/WebKit/standards-positions/issues/70). >>>> >>>> Web developers: Mixed signals (https://crbug.com/1430051 >>>> <https://bugs.chromium.org/p/chromium/issues/detail?id=1430051>). We >>>> know at least one site that uses user-agent client hints on Android >>>> WebView.. >>>> >>>> Debuggability >>>> >>>> No special DevTools support needed. The UA Client Hints headers will be >>>> as debuggable as other request headers, through DevTools’ network tab. >>>> >>>> Will this feature be supported on all six Blink platforms (Windows, >>>> Mac, Linux, Chrome OS, Android, and Android WebView)? >>>> >>>> Yes >>>> >>>> Notes: The existing flag UserAgentClientHint was already enabled for >>>> other five platforms (Windows, Mac, Linux, Chrome OS and Android). >>>> >>>> Is this feature fully tested by web-platform-tests >>>> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md> >>>> ? >>>> >>>> https://wpt.fyi/results/client-hints >>>> >>>> Flag name >>>> >>>> UserAgentClientHint >>>> >>>> Tracking bug >>>> >>>> https://crbug.com/1430051 >>>> <https://bugs.chromium.org/p/chromium/issues/detail?id=1430051> >>>> >>>> Launch bug >>>> >>>> https://launch.corp.google.com/launch/4261345 >>>> >>>> Link to entry on the Chrome Platform Status >>>> https://chromestatus.com/feature/5127746375647232 >>>> >>> -- >> 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+...@chromium.org. >> To view this discussion on the web visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAJh4P7Hs_mYf2XdSU8M-vTsVuapefb%3D-AOMSh-dmObk8s75X_g%40mail.gmail.com >> >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAJh4P7Hs_mYf2XdSU8M-vTsVuapefb%3D-AOMSh-dmObk8s75X_g%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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