SSIA. Mojave support was dropped in 242418@main =)
Pull request: https://github.com/WebKit/WebKit/pull/28331
Committed 278587@main (4e0681fba029): <https://commits.webkit.org/278587@main> Reviewed commits have been landed. Closing PR #28331 and removing active labels.
<rdar://problem/127839149>