Add the entitlement "com.apple.private.webkit.use-xpc-endpoint" in the GPU process, which will enable XPC communication with other WebKit processes.
<rdar://83847918>
Created attachment 440762 [details] Patch
Created attachment 440841 [details] Patch
Comment on attachment 440841 [details] Patch r=me
Comment on attachment 440841 [details] Patch Thanks for reviewing!
Committed r283977 (242823@main): <https://commits.webkit.org/242823@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 440841 [details].