Not of the Sumatran Tiger I dont think. I believe this program has taken ten years of planning to get to this stage, with other Australasian zoos holding Sumatran Tigers in the past taking priority for breeding and other zoos waiting in line to hold this species.
Steve Robinson has posted this info on the Darlings Down thread I think. Its a long wait for Sumatrans as the program aims to slow down generation time by spacing breeding out for as long as possible to minimise inbreeding and consequently gaps are filled quickly.
I may be wrong but I think this is one of the few species for which a CBP demand is outstripping supply, tempting some zoos to jump the gun and acquire cubs through non-recommended pairings. For example, it was roughly ten years between litters for both Taronga and Melbourne with the zoos waiting for well-represented lines like the Taronga Seletan/Shiva line to age before pairing.
in the 1990s this program had space for only about 25 tigers, today the capacity is much greater with Darling Downs wanting in, Orana building its new facilty, Auckland upgrading and of course Australia Zoo and Dreamworld, not to mention large number of recent overseas imports AND the three new Indonesian cubs.