[App_rpt-users] ASL with Pi 3 B+?

Hi all, New the ASL and PI, but ham radio is all about learning and I enjoy jumping in head first to see if I sink or swim. (I've been at it 40+ years and haven't drowned yet - but there is always a first time!) I've been doing a lot of reading and saw comments that made me think that there is not an ASL distribution that is compatible with the Pi 3 B+. Is that correct - or am I already taking on water? If the 3 B+ is a no-go, which Pi is suggested? 73, Mike WM4B