||kevers@ presented a graph to show the progress of bug fixing.
<td><td>In this sprint we closed a lot of bugs, but more were opened than
<td><td>We now have breakdowns by priority. Nice to see that we did not lose
ground on P0s or P1s.</td></td>
|xidachen@ removed the usage of setTimeout in animations layout test, and replaced them with rAF.
<td><td>setTimeout can easily cause flakiness, especially on debug
<td><td>Animations are driven by animation frames, using rAF leads to more
||kevers@ has been working on scroll timelines and the above demo showcases mutable timelines, which are required for supporting css animation-timeline.
<td><td>The demo illustrates updating the animation timeline via the
<td><td>Presently it is behind the scroll-timeline feature flag.</td></td>
|kevers@ showed another fun demo for scroll timelines, which uses scroll position to drive a paint worklet animation..
||xidachen@ improved fps meter by making it account for page loading.
<td><td>The fps meter will reset itself at first contentful paint (which is
regarded as loading completed).</td></td>
<td><td>The stats before first contentful paint will be discarded when we
report to UMA.</td></td>
|Animation event handlers
||gtsteel@ landed the implementation for ontrasition\* event handler properties. Along with that, gtsteel@ also fixed animationcancel event so that it doesn’t fire after animationend.
||Zooming no longer breaks transitions
||gtsteel@ fixed a bug where zooming would cause transition event listeners to fire.
<td><td>Previously, we compared zoomed values when starting transitions,
then transitionend based on computed value.</td></td>
<td><td>Now we calculate and compare computed values (as per spec) if zoom
|Web tests ⇒ WPT
||liviutinta@ shared a sheet that lists input related layout tests that we would like to move to wpt/. The spreadsheet also tracks the progress.
||WebDriver Actions API Spec
||lanwei@ has landed spec change that adds wheel input to the webdriver action API.