Hello! way/242785057/history has roof = flat that was added in this edit
Maybe roof:shape=flat was intended here?

See roof:shape=* and roof=*

Hello! way/79100511/history has roof = flat that was added in this edit
Maybe roof:shape=flat was intended here?

See roof:shape=* and roof=*

Hello! way/658395424/history has roof = flat that was added in this edit
Maybe roof:shape=flat was intended here?

See roof:shape=* and roof=*

Hello! node/9852938309/history has so = b that was added in this edit
What is the meaning of this unusual key? Is this tag needed?
Or maybe can it be expressed in a more typical way that would be easier to understand?
Or maybe this key can and should be documented as useful tagging schema?

poprawisz te amenity=was:bicycle_rental na was:amenity=bicycle_rental ?

a tak ogólniej - te punkty zostały na razie?

Hello! way/253618031/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/143960877/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/255621488/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/973160650/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/1432518373/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/60077265/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/1077639507/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/912899354/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/824983448/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

Hello! way/528170737/history has tracktype = 4 that was added in this edit
Maybe it was supposed to be tracktype=grade4 ? See osm.wiki/Key%3Atracktype

way/1350871871/history

what was meant by tourism=church ? that it is a tourism attraction?

Spindoc Bob - what was the license and source of data imported here?

node/316597967/history is also extremely dubious

Hello! way/1355170258/history has shop = pakoda that was added in this edit
shop=pakoda ? What is the meaning of that shop value? What kind of services or products are sold here? Is anything from shop=* or osm.wiki/Category:Tag_descriptions_for_key_%22shop%22 fitting? Maybe new value needs to be invented? Maybe this data is wrong and there is no shop here? Maybe it is not a shop but something else?

Hello! node/13081814473/history has shop = taxi that was added in this edit
shop=taxi ? What is the meaning of that shop value? What kind of services or products are sold here? Is anything from shop=* or osm.wiki/Category:Tag_descriptions_for_key_%22shop%22 fitting? Maybe new value needs to be invented? Maybe this data is wrong and there is no shop here? Maybe it is not a shop but something else?