site/teams/animations/highlights-archive/june-2021-vol-2---new-features-stability-fixes-interop-fixes-and-more.md

breadcrumbs: Highlights Archive > page_name: june-2021-vol-2---new-features-stability-fixes-interop-fixes-and-more title: June 2021 (Vol 2) - New features, stability fixes, Interop fixes and more!

<td><td>WeakPtrs to the same object were dereferenced on different
threads.</td></td>

<td><td>Waiting for input to be processed on main</td></td>

<td><td>Waiting for a main thread hit test on the compositor</td></td>

<td><td>WidgetInputHandlerManager is now ref counted.</td></td>

<td><td>Safe to pass around the “this” pointer for callbacks that will run
on the compositor.</td></td>

<td><td>Use AsWeakPtr only for callbacks that will be run on the main
thread.</td></td>

<td><td>Fixes 5 crashing tests!</td></td>

<td><td>No longer need time-range for a scroll timeline; Times are converted
to percentages. (<a
href="https://github.com/w3c/csswg-drafts/pull/6410">patch</a>)</td></td>

<td><td>Support duration = ‘auto’ (<a
href="https://github.com/w3c/csswg-drafts/pull/6337/">patch</a>)</td></td>

<td><td>Normalization procedure to convert time-based animations to
progress-based.</td></td>

<td><td>Animations are scaled to 100% with iteration and delays adjusted
accordingly.</td></td>

<td><td>Smooth integration with web-animations API</td></td>

<td><td>mustaq@ <a
href="https://github.com/w3ctag/design-reviews/issues/655">kicked off</a> a
TAG review for the <a
href="https://wicg.github.io/capability-delegation/">explainer</a> and the
<a href="https://wicg.github.io/capability-delegation/spec.html">draft
spec</a>.</td></td>

<td><td>Also investigated possible shipping options and finalized <a
href="https://docs.google.com/document/d/1L66B1QtqHCzAKlLQXdtv-YCmlXrJhi2Je2Vo91XWMsQ/edit">a
plan</a> working with smcgruer@ (Web Payments) and jyasskin@ (Web
Standards).</td></td>

<td><td>infinity - infinity</td></td>

<td><td>0 / 0</td></td>

<td><td>infinity / infinity</td></td>

<td><td>Division by zero</td></td>

<td><td>Through devrel outreach (<a
href="https://docs.google.com/document/d/1-pqljDgzzgRVve2oWUq237JPgtT12wcoctxbtBaHZdU/edit#heading=h.1xrzhx8chbuz">doc</a>)</td></td>

<td><td>Push a spec change (<a
href="https://github.com/w3c/csswg-drafts/issues/6406">proposal</a>)</td></td>