[out:xml][timeout:3600]; ( way(30919778)['wikidata'='Q106499014']['wikipedia'='de:Kloster Elsey']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch']
[out:xml][timeout:3600]; ( node(4114953740)['wikidata'='Q487292']['wikipedia'='de:Allianz SE']; ); (._;>;); out meta qt;//['blacklisted connection with known replacement']
[out:xml][timeout:3600]; ( relation(7358669)['network:wikidata'='Q448199']['not:network:wikidata'='Q448199']; ); (._;>;); out meta qt;//['wikipedia/wikidata type tag that is incorrect according to not:* tag']
[out:xml][timeout:3600]; ( node(3374720769)['operator:wikidata'='Q157645']['operator:wikipedia'='de:Deutsche Post']; node(549771645)['operator:wikidata'='Q157645']['operator:wikipedia'='de:Deutsche Post']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch - wikipedia points to disambiguation page and wikidata does not - for operator prefixed tags']
[out:xml][timeout:3600]; ( relation(1605946)['operator:wikidata'='Q124422786']['operator:wikipedia'='de:Enervie']; relation(1605949)['operator:wikidata'='Q124422786']['operator:wikipedia'='de:Enervie']; way(189354535)['operator:wikidata'='Q541030']['operator:wikipedia'='de:DPDgroup']; way(95386496)['operator:wikidata'='Q157645']['operator:wikipedia'='de:DHL']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch - for operator prefixed tags']
JOSM Wikipedia plugin
Note to self: online version hosted at https://matkoniecz.github.io/OSM-wikipedia-tag-validator-reports, files are stored at https://github.com/matkoniecz/OSM-wikipedia-tag-validator-reports.