I propose to carry out a mass bug filing with the bug title: "Remove
webkitgtk/webkitgtk3 dependency" (depending on which package is
dependend on) and following text:
The webkitgtk/webkitgtk3 package will be removed from rawhide after
Fedora 26 is branched due to the high number of unfixed security
vulnerabilities. You must remove this dependency or your package will
not be present in Fedora 27.
Please refer to  for a FAQ on this matter and be advised that for
some packages this may require a substantial amount of work.