The following rumors is from my very best source. The same source told me about the new 24mm f/1.4 GM lens that should be announced soon. This source now confirmed that Sony will definitely announce a new “Flagship APS-C model” in 2018.
The source did not share any details yet but I guess this camera will be named A6700 (join the facebook group here).
I hope to receive few more details about this camera soon!