> I'm surprised that it made the edit in 2 steps (version 4 and 5) ...

It was me. I forgot to add a note the first time that this is the Drujba building. The school also has another building in Mladost.

> ... it did not remove the linkswikipedia and wikidata tags of the old school.

I never saw those old tags in StreetComplete. I had to tap the "plus" icon to add the new web address.
