This changeset edited no geometry and made the following tag-only modifications:

Filter: way["building"="apartments"]["addr:housenumber"][!"addr:state"];

Added:
"addr:city=Seattle" | 26 objects
"addr:country=US" | 730 objects
"addr:state" | 731 objects

Removed:
"source:addr:id=*" | 15 objects
"source=*" | 648 objects