With very few exceptions, we generally don't limit feature flag availability based on whether the SDK used to build WebKit is Apple-internal.
Created attachment 433357 [details] For EWS
Created attachment 433361 [details] Try to fix watchOS build
Committed r279860 (239613@main): <https://commits.webkit.org/239613@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 433361 [details].
<rdar://problem/80492990>