The upcoming PhotoPlus Expo will be held on October 25th to Ocotber 29th, and Sony is going to have a new product announcement on October 25th. As rumored before, the new camera will be Sony RX100 VI, to replace current RX100 V.
The Sony RX100 VI will be the only Sony camera to be announced in 2017. While Sony a7III, a7SIII, and new FE lenses will be announced in 2018.
Currently, there is no specs rumors on Sony RX100 VI, you can check more info at SonyRumors.