RemoteLayerTreeTransaction::LayerProperties::keyPathsOfAnimationsToRemove is incorrectly named, these aren't set of key paths but rather keys, at least in Core Animation API parlance.
Pull request: https://github.com/WebKit/WebKit/pull/8669
Committed 258937@main (23ed9c160c93): <https://commits.webkit.org/258937@main> Reviewed commits have been landed. Closing PR #8669 and removing active labels.
<rdar://problem/104280227>