There's been no official word yet. Indications are that they were held up by the delays surrounding the Cirrus 49700, which has been in manufacturers' hands for just a couple weeks now. All we can do is guess, but if I had to make such a guess I'd put it at somewhere between late summer and Thanksgiving (hopefully closer to late summer - although I'd welcome an earlier arrival if they were able to do some good, detailed testing and still get production up and running sooner).