Next to the Xperia XZ and XZs, the Sony Xperia X Performance also receives the Android Oreo update this month. The new firmware includes the latest security patch from Google and comes with new features such as autofill, smart text selection, Xperia Actions, and more.
https://www.notebookcheck.net/Sony-Xperia-X-Performance-gets-Android-Oreo.267384.0.html