Sony has confirmed that it will be unveiling a new Xperia product on October 26, or October 25 for those living in the US. Seemingly, the device will launch in multiple markets, although it could be a successor to the Xperia PRO.
https://www.notebookcheck.net/Sony-whets-appetites-with-new-Xperia-product-launch-date.571762.0.html