1.22 is out so no need to check 1.21 anymore.
Pull request: https://github.com/WebKit/WebKit/pull/11546
Committed 261681@main (2e8371efc38c): <https://commits.webkit.org/261681@main> Reviewed commits have been landed. Closing PR #11546 and removing active labels.
<rdar://problem/106750380>