Plexamp issues with Android Auto

Recently switched to Graphene after buying a Pixel 9 pro XL.

No major issues besides on my car profile. I have full sandboxed google play installed and android auto works well for my navigation through Waze.

However, Plexamp randomly is missing info (A-Z only went down to F, clicking into a letter for the artists shows fewer than there should be, clicking on an artist gives a black screen).

I've only noticed the issue while driving (always fine before I set off) but obviously you spend a lot more time driving than setting up before you set off.

I've done everything I can to reduce the security features (compatibility mode, all perms it asked for, etc.) but it's still occurring.

anyone else had this problem?