We still have three unannounced Sony cameras got registered at certification body. All these three cameras could be announced within 1-2 months. Today Nokishita camera said all these three cameras could be interchangeable lens cameras, not compact cameras.
Sony has just registered a new camera code WW942051 in Asia. According to certification body, this camera code is also Equipped with Wi-Fi (5.8/5.1/2.4 GHz) and Bluetooth, same as recently announced Sony a7R IV (B&H Photo Video/Adorama/Amazon), so this could be another high-end model from Sony, mostly likely the upcoming Sony a7S III or Sony a9 II or a7000 or RX1R III.
Sony has just registered the fourth camera code WW642826 in China, this means there will be a total of four cameras to be announced in the second half of 2019 !