On Fri, Mar 6, 2026 at 8:58 AM Yoav Weiss (@Shopify) <[email protected]> wrote:
> *Contact emails* > [email protected] > > *Explainer* > https://github.com/w3c/long-animation-frames/pull/30#issue-3828859369 > > *Specification* > https://github.com/w3c/long-animation-frames/pull/30 > > *Summary* > Add `styleDuration`, `forcedStyleDuration`, `layoutDuration` and > `forcedLayoutDuration` information to the Long Animation Frame API, > enabling developers to distinguish style and layout times. > > Its incorrect to think of style and layout as two separate things now. They can be interleaved. What's the usecase for separating them out? E.g. can the API be simplified as a styleLayoutDuration and forcedStyleLayoutDuration ? Ian > *Blink component* > Blink>PerformanceAPIs > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EPerformanceAPIs%22> > > *Web Feature ID* > Missing feature > > *TAG review* > *Not yet.* > > *TAG review status* > Pending > > *Risks* > > > *Interoperability and Compatibility* > *New attributes, so no compatibility risk. In terms of Interop, this > doesn't increase the interop risk of LoAF, which is currently only shipped > in Chromium.* > > *Gecko*: No signal > > *WebKit*: No signal > > *Web developers*: Shopify developers need the data these attributes > expose in order to better understand CSS performance bottlenecks in the > wild. > > *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? > *No.* > > > *Goals for experimentation* > *See if the API provides the right data that enables developers to > understand their CSS performance bottlenecks.* > > *Ongoing technical constraints* > *No.* > > *Debuggability* > *Not applicable.* > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes. > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > Yes. > > > *Flag name on about://flags* > *No information provided* > > *Finch feature name* > *LongAnimationFrameStyleDuration* > > *Non-finch justification* > *No information provided* > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/476826067 > > *Estimated milestones* > > M147-M152 > > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5171478175809536?gate=5452953152520192 > > *Links to previous Intent discussions* > Intent to Prototype: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSJxRuMp6Ha5RVCjzNfsG0Sj96Y%3Dgy9LnxtM%2Brq-S6DEew%40mail.gmail.com > > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > 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 [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSJ2PJ0dZxYH48PALOSUenSSV7VuZ9CzTHnGd8u_jTKkcg%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSJ2PJ0dZxYH48PALOSUenSSV7VuZ9CzTHnGd8u_jTKkcg%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 [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAJL3UpS%2BwFOAtia16ujVOhTR0jTt3m0jhPBLj3Og3ViWSAYd5Q%40mail.gmail.com.
