We will fall back to WP-backed non-asynchronous drawing for the contents layer to resolve https://bugs.webkit.org/show_bug.cgi?id=274386, but we should also figure out resolve the root cause and have asynchronous drawing re-enabled.
<rdar://problem/128389156>
Pull request: https://github.com/WebKit/WebKit/pull/29205
Committed 279442@main (a9fa14bfb0da): <https://commits.webkit.org/279442@main> Reviewed commits have been landed. Closing PR #29205 and removing active labels.