For forwards-compatibility reasons (e.g. new STP communicating with old webpushd that was installed with the OS), webpushd needs to be able to handle messages from clients with higher protocol message versions in a sane way. Currently it does nothing which will make upgrading the IPC version hard.
<rdar://problem/97036744>
Pull request: https://github.com/WebKit/WebKit/pull/2429
Committed 252492@main (e0c0585c06fa): <https://commits.webkit.org/252492@main> Reviewed commits have been landed. Closing PR #2429 and removing active labels.