Sony has confirmed that few Sony Xperia smartphones will be getting Android 4.3 update and the devices receiving the latest version of Android 4.3 update are Xperia Z, Xperia ZL, Xperia Z Ultra, Xperia ZR and Xperia SP. The company has also revealed that Xperia Tablet Z will also be getting the Android 4.3 update. In addition to this, Sony also said that, they had plans to update some of it devices directly to Android 4.3 from Android 4.1.
Remember this is not a final list and if possible Sony would add more smartphone to the list of devices getting Android 4.3 update.