Add an internal feature flag to enable async overflow scrolling
Created attachment 356065 [details] Patch
<rdar://problem/46356820>
https://trac.webkit.org/changeset/238715/webkit
Cool. So the idea would be to support async scrolling on desktop too (similar to bug 171667 for frames) and to remove the need for -webkit-overflow-scrolling:touch on iOS (similar to bug 149264 for frames)?
Right, that's the plan.