There were recent rumors that Sony had been working on new Android-powered tablets that were known as the Xperia Z5 and Xperia Z5C. However, apparently the Japanese tech giant has now decided to shelve the idea of releasing new tablets onto the market because of the lackluster sales for premium products such as the Xperia XZ2 and XZ2 Compact.
https://www.notebookcheck.net/Rumored-Sony-tablets-may-have-been-cancelled.307844.0.html