Hi, addr:housenumber shouldn't be used for the unit numbers, you've also removed the house and street numbers. I'd give https://wiki.openstreetmap.org/wiki/Key:addr:* a read for more info on adding addresses, but for now I'm going to revert this since it's removed data.
            ---
            
            Published using OSMCha: https://osmcha.org/changesets/147042978
            