When a WKWebView's contentInset has values greater than 0, content that is has been scrolled into that (originally empty) area does not respond to interaction.
Can you attach a test project please?
Created attachment 269900 [details]
Is this the same as the later reported bug https://bugs.webkit.org/show_bug.cgi?id=183648 ?
Was it resolved by https://trac.webkit.org/changeset/229641/webkit ?
*** This bug has been marked as a duplicate of bug 183648 ***