After building the package with the proposed fix for #83622, the webview is rendered black.
I have a fix for this, will post later today.
Created attachment 136669 [details] Patch
Comment on attachment 136669 [details] Patch rs=me
Created attachment 136672 [details] Patch for landing
Created attachment 136676 [details] Patch
Comment on attachment 136676 [details] Patch Clearing flags on attachment: 136676 Committed r113873: <http://trac.webkit.org/changeset/113873>
All reviewed patches have been landed. Closing bug.