NSDisableScreenUpdates()/NSEnableScreenUpdates() are no-ops for applications linked on Catalina or later. We call these when showing/hiding the fullscreen window, which is UI that webkit controls, so it should be safe to remove them.
Pull request: https://github.com/WebKit/WebKit/pull/3986
Committed 254239@main (0ddb0cb7d5bb): <https://commits.webkit.org/254239@main> Reviewed commits have been landed. Closing PR #3986 and removing active labels.
<rdar://problem/99654312>