See https://de.wikipedia.org/w/index.php?title=Wikipedia:Vermisste_Wikipedianer&type=revision&diff=179216366&oldid=179215799&diffmode=source

In the diff it looks like Monow's answer has been inserted between the headline and the comment by the anonymous user. But this is not true, it actually has been inserted at the very end.

This is definitely a regression caused by the update to wikidiff2, compare unpatched and patched.