Asus provide bootloader utility for previous devices, should be up for zenfone 8 soon.
I will add signature spoofing and degoogle stock rom. I have done it for all my devices: improved battery life and full control.
Tested with "refresh rate checker" and "testufo" site
Both shows 60 hz, had 90 hz on previous lineage-17.1-20210128-nightly-avicii-signed nightly
I will reinstall the latest nightly to see if it fixes the 90Hz
Update: Found it: Ambient display needs to enabled to get 90Hz
Disable ambient and 90...
I played around with framework light settings. The light sensor seems to pick up stray light from screen so the settings gets borked somehow.
Not sure if that's fixable without major rewrite of algorithm on how to set correct brightness. Looks more that oneplus has a design hardware flaw on...