Hi blink-dev, User-agent client hint is currently ramping up to 100% of the stable release population, enabling default TOT on Android WebView.
Best, Victor On Tuesday, September 12, 2023 at 1:09:55 PM UTC-4 Victor Tan wrote: > Hi blink-dev, > > User-agent client hint is currently ramping up to 10% of the stable > release population on Android WebView. > > Best, > Victor > > On Tuesday, August 29, 2023 at 2:13:52 PM UTC-4 Victor Tan wrote: > >> 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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