Well better late, than never dear Sony. It looks like the company has began rolling out the first Android 7.1.1 (Nougat) update for some of its smartphones, as you can see in the following list:
Android 7.1.1 Nougat compatible devices
- Xperia Z5
- Xperia Z5 Compact
- Xperia Z5 Premium
- Xperia Z3+
- Xperia Z4 Tablet
According to its changelog, this specific Android 7.1.1 Nougat update brings several bug fixes, improvements, along with new emojis. Users will also find app shortcuts that can be launched directly from home screen in apps like Twitter, Google Messenger, Google Maps by simply long pressing the app icon.
So far the Android 7.1.1 update for the aforementioned devices has build number 32.4.A.0.160 and includes the Android security patch for 1st June 2017. Note that the update is available in select countries currently and should roll out globally gradually.
if you want to check, you can head to the Update section of your Sony smartphone and have a look there.