In this changeset osm.org/changeset/116307070

a mass deletion of ways was done https://simon04.dev.openstreetmap.org/whodidit/?zoom=12&lat=5.4938&lon=20.84162&layers=BTT&age=1%20month

And instead 9 - I say just 9 (nine) - building were added

Thank you so much https://tasks.hotosm.org/projects/8391 Oh, lately I discovered that the landuse relations affected were more, spanning till to Bambari.

Please #MissingMaps when you’re going to work in a very dense mapped area, write few piece of advice; working in the middle of nowhere or in Bambari province does a lot of difference.