LGTM to experiment on 1% Stable with this, M101-M102 (inclusive)

Do you have someone from the Google side to help you with setting up the
internal parts of the experiment?

On Fri, Apr 1, 2022 at 3:48 AM Lin, Wanming <[email protected]> wrote:

> Contact emails
>
> [email protected]
>
> Explainer
>
> None
>
> Specification
>
> https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
>
> Summary
>
> Calls to setTimeout(..., 0) were previously clamped to a 1 ms timeout,
> instead of resulting in a callback as soon as possible. This clamping is
> being removed. To get the old behavior, use setTimeout(..., 1) instead.
>
>
>
> Blink component
>
> Blink>Scheduling
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EScheduling>
>
> TAG review
>
>
>
> TAG review status
>
> Not applicable
>
> Risks
>
>
> This is a web standards compliant feature, but it may change task ordering
> on a web page, leading to unexpected behavior on sites that are dependent
> on a certain ordering in some way. It also may affect sites with a lot of
> setTimeout()
>
> with a timeout of 0ms usage, e.g. increasing CPU load.
> Interoperability and Compatibility
>
>
>
> *Gecko*: Shipped/Shipping
>
Any links? Do you know if this is already shipping to users?


>
> *WebKit*: Shipped/Shipping (https://bugs.webkit.org/show_bug.cgi?id=221124
> )
>
This seems very recent, so I'm guessing it has hit their shipping channels
just yet..


>
> *Web developers*: No signals
>
> *Other signals*:
>
> WebView Application Risks
>
> *Does this intent deprecate or change behavior of existing APIs, such that
> it has potentially high risk for Android WebView-based applications?*
>
>
> Yes, same as “Risks” section.
> Goals for experimentation
>
> Our goals are to determine the extent of breakage caused by this feature
> to determine if it is safe to ship and to ensure we performance metrics
> don't regress, e.g. core web vitals. We've previously experimented at 75%
> on Canary/Dev/Beta without capturing any issues, and we would like to
> experiment on Stable to analyze the impact on the broader population.
>
>
>
> Reason this experiment is being extended
>
>
>
> Ongoing technical constraints
>
>
>
> Debuggability
>
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, Chrome OS, Android, and Android WebView)?
>
> No
>
> Is this feature fully tested by web-platform-tests
> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
> ?
>
> No
>
> Flag name
>
> SetTimeoutWithoutClamp
>
> Requires code in //chrome?
>
> False
>
> Tracking bug
>
> https://bugs.chromium.org/p/chromium/issues/detail?id=402694
>
> Estimated milestones
>
> OriginTrial desktop last
>
> 102
>
> OriginTrial desktop first
>
> 101
>
> DevTrial on desktop
>
> 97
>
>
>
> OriginTrial android last
>
> 102
>
> OriginTrial android first
>
> 101
>
> DevTrial on android
>
> 97
>
>
>
> DevTrial on iOS
>
> 97
>
> We plan to do a 1% Stable experiment for M101 and M102 stable.
>
> *Link to Intent to Ship*
>
> https://groups.google.com/a/chromium.org/g/blink-dev/c/HKPTp7C1LwY
> Link to entry on the Chrome Platform Status
>
> https://chromestatus.com/feature/4889002157015040
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
>
>
>
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> .
>

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