<rdar://111986083> kCATransactionPhasePostCommit should be sufficient to handle keeping the send rights alive until CA takes ownership, and is much lower overhead.
Pull request: https://github.com/WebKit/WebKit/pull/15916
PR had comment from Simon - Marking as "Request changes" because we know we have to take a different approach. __ the PR code was modified with: https://commits.webkit.org/267204@main Do we have to do more here?
The PR was closed. I think we can close this.