FindWPE enables XKB support for all versions less than or equal to 1.12.0 (see r292064), but this should also be enabled for all 1.12.x point releases.
Pull request: https://github.com/WebKit/WebKit/pull/6545
Committed 256732@main (4e16ea8ff277): <https://commits.webkit.org/256732@main> Reviewed commits have been landed. Closing PR #6545 and removing active labels.