After a long time of being absent, i present you: AOSP Android 8.0 for the Sony Xperia XZ Premium.
This is build with help of the Sony sources (with a lot of tweaks to get it working)
Remember: some features are not working yet.
Most likely more, please report!
Please report bugs, i will make a list of them and try to repair it. When reporting a bug, please include a logcat
In the second post you will find the download links
Sources are following later today!
If you like this post, please give a thumbs up and consider to donate.
Edit: This is an Android 8.0 rom! XDA didn't update their website yet, so the text down here still says 7.0
AOSP 8.0 for Sony Xperia XZ Premium, ROM for the Sony Xperia XZ Premium
Source Code: https://github.com/dutchdeveloper
ROM OS Version: 7.x Nougat
ROM Kernel: Linux 4.x
Based On: AOSP
Current Beta Version: 1.0
Beta Release Date: 2017-09-14
Last Updated 2017-09-17