Hi there, it looks like this changeset might have undone a recent name update for this building. The new name does indeed seem to be “Naala Nura”:
https://www.artgallery.nsw.gov.au/media-office/aboriginal-names-buildings/

There is a separate area in OpemStreetMap called “Art Gallery of New South Wales” that encompasses both buildings and represents the gallery as a whole:
https://www.openstreetmap.org/way/1265404795/history#map=16/-33.8686/151.2175

Would you agree the name for this specific building should be changed back to what it was before? 

Thanks!