Libdispatch checks "kern.osversion" as part of the code path we use for launching our XPC services. We already allow it for some services (Network Process), and should be doing so for our other helper processes.
<rdar://problem/62256013>
Created attachment 397371 [details] Patch
Comment on attachment 397371 [details] Patch R=me.
ChangeLog entry in Source/WebKit/ChangeLog contains OOPS!.
Created attachment 397381 [details] Patch for landing
Created attachment 397382 [details] Patch for landing
Committed r260600: <https://trac.webkit.org/changeset/260600> All reviewed patches have been landed. Closing bug and clearing flags on attachment 397382 [details].