osm.org/node/1794425618/history

is Cavavin (shop=alcohol) closed all the time? Then almost certainly it should not be tagged as shop=alcohol And if it is not always closed then opening_hours=closed is wrong

osm.org/node/1195362207/history ma tylko name=Clockwork Bits Software - ma ktoś pomysł co to może znaczyć? Czy kasujemy jako pozbawione wartości?

osm.org/node/7590467945

name tag is for rare cases of named trees, not for name of their taxon

inscription= tag may be applicable if they have signed info of some kind, see osm.wiki/Key:inscription

osm.org/way/385931982/history has maxspeed:source = CZ:urban

is maxspeed:source intentionally used instead of source:maxspeed ? See osm.wiki/Key:source:maxspeed

maxspeed:type is also sometimes used as a key for such data, see osm.wiki/Key:maxspeed:type

osm.org/way/528859154/history

Biedronka nie zajmuje chyba całego budynku?