According to Fuj rumors, Fuji will announce the T3 at Photokina later this year. But no mention of a X-Pro3, when the X-Pro bodies usually come out ahead of the X-T line.
Fujifilm X-T3: New X-Trans Sensor Less than 30 MP, Announcement Around Photokina 2018, Shipping October/November & more - Fuji Rumors
Fujifilm X-T3: New X-Trans Sensor Less than 30 MP, Announcement Around Photokina 2018, Shipping October/November & more - Fuji Rumors