http://www.techradar.com/news/xperia-xz-premium-gets-its-first-bite-of-oreo-as-sony-begins-rolling-out-the-new-android-os

Google's new Pixel 2 and Pixel 2 XL handsets may have been the first to receive the new Android Oreo operating system, but Sony isn't far behind, with the new OS update rolling out now to Xperia XZ Premium handsets.

Ausdroid reports that the rollout is already under way across Hong Kong, Taiwan, the Middle East and Africa, with other markets set to follow in the not-too-distant future.