(I have no idea where to report this)
Looks like maintenance scripts (e.g. Flow talk page manager and MediaWiki message delivery) create pages on the Nostalgia Wikipedia which breaks the "frozen in time" illusion and should be deleted.
- Template:FlowMention
- Template:LQT Moved thread stub converted to Flow
- Template:LQT page converted to Flow
- Template:Archive for converted LQT page
- Template:LQT post imported with supressed user
- Template:LQT post imported with different signature user
- Template:Wikitext talk page converted to Flow
- Template:Archive for converted wikitext talk page
- User talk:WikiSysop
- User talk:JeLuF
- User talk:Abuse filter