User blog comment:Rappy 4187/Technical Update: June 29, 2016/@comment-25295528-20160701205433

It was either this week's update or last week's that recently prevented my Media Wiki edits to ".toclevel-1, 2 and 3" from working, as well as my ".edited-by" changes and "#EditPageHeader", and I can't seem to find out how to fix this since the update.