Thanks. Ok, I'll extend the span, and will do Finch rollout after the partner's experiment.
On Thu, Mar 20, 2025 at 12:36 AM Vladimir Levin <vmp...@chromium.org> wrote: > LGTM to experiment. One of the concerns is that 2 milestones may be too > short of a duration for other partners to try this out. > > So my approval extends to the standard 6 milestones (136 to 131 inclusive) > and I encourage you to use more than 2 of those to gather data. > > I also encourage you to roll out the change via finch when you decide to > ship. > > Thanks, > Vlad > > On Wednesday, March 19, 2025 at 9:46:36 AM UTC-4 Stephen Chenney wrote: > >> On Wed, Mar 19, 2025 at 3:33 AM TAMURA, Kent <tk...@chromium.org> wrote: >> >>> >>> >>> On Wed, Mar 19, 2025 at 11:47 AM Vladimir Levin <vmp...@chromium.org> >>> wrote: >>> >>>> I'm curious why you decided to do an origin trial instead of a more >>>> typical finch roll out + monitoring metrics for performance regressions. >>>> Origin trial data would limit us to the feedback of registered partners, >>>> which may not be a good representation of usage "in the wild". >>>> >>>> Separately, are you working with partners that are interested in >>>> registering for this already? I note that the request is for 2 milestones, >>>> which may be short if you don't already have partners lined up. >>>> >>> >>> Yes, I already have a partner, and the partner asked us to set up an >>> origin trial. They want to run A/B testing in their application to check >>> performance differences. >>> >> >> Would you then go with a Finch controlled general A/B test in M-138 or >> M-139? Are metrics in place to start getting baseline performance data? >> >> >>> >>> >>>> >>>> Thanks, >>>> Vlad >>>> >>>> On Tuesday, March 18, 2025 at 8:32:23 PM UTC-4 Kent Tamura wrote: >>>> >>>>> Contact emailstk...@chromium.org >>>>> >>>>> Explainer >>>>> https://docs.google.com/document/d/1UbHuoflNyLbSavpH86HEmXFGyz2V4uZ6cjNpuuwrtBg/edit?usp=sharing >>>>> >>>>> SpecificationNone >>>>> >>>>> Summary >>>>> >>>>> *This is not a web-exposed change.* The implementation of >>>>> CanvasRenderingContext2D's measureText(), fillText(), and strokeText() has >>>>> a drastic change. This might affect performance, so we'd like to run an >>>>> origin trial so canvas-heavy applications can try out the new >>>>> implementation. >>>>> >>>>> >>>>> Blink componentBlink>Canvas >>>>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECanvas%22> >>>>> >>>>> Search tagscanvas <https://chromestatus.com/features#tags:canvas> >>>>> >>>>> TAG reviewNone >>>>> >>>>> TAG review statusNot applicable >>>>> >>>>> Risks >>>>> >>>>> >>>>> Interoperability and Compatibility >>>>> >>>>> The feature might change performance characteristic, and might have >>>>> performance regressions in some cases. >>>>> >>>>> >>>>> *Gecko*: No signal >>>>> >>>>> *WebKit*: No signal >>>>> >>>>> *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? >>>>> >>>>> None >>>>> >>>>> >>>>> Goals for experimentation >>>>> >>>>> >>>>> >>>>> Ongoing technical constraints >>>>> >>>>> None. >>>>> >>>>> >>>>> Debuggability >>>>> >>>>> None >>>>> >>>>> >>>>> Will this feature be supported on all six Blink platforms (Windows, >>>>> Mac, Linux, ChromeOS, Android, and Android WebView)?No >>>>> >>>>> Is this feature fully tested by web-platform-tests >>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >>>>> ?No >>>>> >>>>> Flag name on about://flagsNone >>>>> >>>>> Finch feature nameCanvasTextNg >>>>> >>>>> Requires code in //chrome?False >>>>> >>>>> Tracking bughttps://issues.chromium.org/issues/389726691 >>>>> >>>>> Estimated milestones >>>>> Origin trial desktop first 136 >>>>> Origin trial desktop last 138 >>>>> Origin trial Android first 136 >>>>> Origin trial Android last 138 >>>>> Origin trial WebView first 136 >>>>> Origin trial WebView last 138 >>>>> >>>>> Link to entry on the Chrome Platform Status >>>>> https://chromestatus.com/feature/5123274645962752?gate=5123363732979712 >>>>> >>>>> This intent message was generated by Chrome Platform Status >>>>> <https://chromestatus.com/>. >>>>> >>>>> >>>>> -- >>>>> TAMURA Kent >>>>> Software Engineer, Google >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>> >>> -- >>> TAMURA Kent >>> Software Engineer, Google >>> >>> >>> -- >>> 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 visit >>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGH7WqG2J%3DJ%3D7Js28%2BwuzRHhjA-qHZ5%3DXYkZMGHDmZ-xoK2XTQ%40mail.gmail.com >>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGH7WqG2J%3DJ%3D7Js28%2BwuzRHhjA-qHZ5%3DXYkZMGHDmZ-xoK2XTQ%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. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGH7WqHLw%2B6t05r8ePH5Upjg-wn62m-4xaR8bmXt6NsgQSM-5Q%40mail.gmail.com.
