IIRC he played a bit of it in the background during an interview, which may count as “free release” but hardly what anyone is looking for.
I’d hoped for a leak, but between understandably & typically secured studio production, and there being only one copy outside the studio, kinda hard to “leak” it.
With that kind of money involved their security must be absolute.
The original tracks must be in a vault somewhere in Siberia...................