Example: Q15633582 ("MediaWiki site"):
For property P408 ("software engine"), the page is currently showing the label "ESL Teaching Methods" for the property's object Q83.
The correct (English) label for Q83 should be "MediaWiki". The label was inappropriately changed to "ESL Teaching Methods" on 14 November, but was changed back on 23 November (see page history.
However, as of 3 December, this correction has not yet propagated through to page Q15633582.