EWS builds have a link to patch, however it opens the plain text version of the patch which isn't much readable. It would be better to link to prettypatch which is more readable (and shows the diff in color).
Created attachment 372491 [details]
The difference is:
Comment on attachment 372491 [details]
Clearing flags on attachment: 372491
Committed r246613: <https://trac.webkit.org/changeset/246613>
All reviewed patches have been landed. Closing bug.