(Sorry, No Asus tag)
Android 9.0 (Pie)
currently on ZenUI6, builds for lineageos 16 and 17 available.
current rom is official
added information:
https://download.lineageos.org/I01WD
unofficial build: https://androidfilehost.com/?w=files&flid=299468
Any1 interested with a /e/ 0.9 Pie build ?