We have not adopted it yet, and anecdotally we encounter some build issues with the internal SDK on recent Xcodes.
<rdar://problem/117154995>
Pull request: https://github.com/WebKit/WebKit/pull/19286
Committed 269570@main (38d03d1cd364): <https://commits.webkit.org/269570@main> Reviewed commits have been landed. Closing PR #19286 and removing active labels.