Hi blink-dev, User-agent client hint is currently ramping up to 1% of the stable release population on Android WebView. New schedule timeline as follows: 1% ~ Aug 29, 2023 10% ~ Sep 12, 2023 TOT default ~ Sep 26, 2023
Thanks. Best, Victor On Thursday, August 24, 2023 at 7:39:59 PM UTC-4 TAMURA, Kent wrote: > LGTM3. > > > On Fri, Aug 25, 2023 at 12:34 AM 'Rick Byers' via blink-dev < > blink-dev@chromium.org> wrote: > >> Sorry for the delay, LGTM2 >> >> I'm surprised you need a ramp-up for this. New APIs are generally safe so >> we usually don't finch them. But if you'd rather do a finch roll-out for >> extra safety, I have no objection. >> >> Rick >> >> On Thu, Aug 24, 2023 at 9:10 AM Peter Beverloo <pe...@chromium.org> >> wrote: >> >>> Non-API OWNER LGTM to proceed on WebView - thank you for all the >>> diligence you've done on understanding and navigating the platform >>> constraints! >>> >>> Thanks, >>> Peter >>> >>> >>> On Wed, Aug 23, 2023 at 10:45 PM 'Victor Tan' via blink-dev < >>> blink-dev@chromium.org> wrote: >>> >>>> 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. >>>> 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/e07fe0c5-959a-4ed3-b35e-dee0dd68a1cbn%40chromium.org >>>> >>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/e07fe0c5-959a-4ed3-b35e-dee0dd68a1cbn%40chromium.org?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/CALt3x6mvxAjXNJ5aUez-ezfp2HUXLari0iALm5RiAyLun%2BN2oQ%40mail.gmail.com >>> >>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CALt3x6mvxAjXNJ5aUez-ezfp2HUXLari0iALm5RiAyLun%2BN2oQ%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/CAFUtAY8tdKTJ2BSPVFKDHq-rqvEObErJuviWRdeD4xWs%2BJyU2g%40mail.gmail.com >> >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFUtAY8tdKTJ2BSPVFKDHq-rqvEObErJuviWRdeD4xWs%2BJyU2g%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > TAMURA, Kent > Software Engineer, Google > > > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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