I think it is likely coati will return to the enclosure and binturong possible moved to forest of wonder, maybe in the squirrel monkey forest harvest enclosure
With only two Squirell Monkeys remaining in that enclosure, I could see this being a possibility.
Keep in mind, the previous Binturong pair used to reside in that enclosure and it was specifically re-designed for them, with the sleeping huts put right at the front of the mesh - allowing for adequate viewing.
The squirrel monkeys do little to enhance Melbourne’s collection (especially in the current exhibit), so I could easily see there being a motivation to phase them out. That exhibit is much better suited to Binturong (with the old coati exhibit having the problem of being three times as big as it needs to be).
Brown coati live in groups of up to 20 consisting of adult females and young (male and female); with adult males usually living independently. Interestingly, unrelated adult females can even be interested and live together, so there’s the possibility of housing a large non-breeding group of females in the original exhibit. We can expect the initial holders (including Darling Downs Zoo) to be the breeding hubs for the foreseeable.

