That's the History. When KSP 1.8. came, using Unity 2019, my old Mac Mini 5.1 (i5, 2 cores, 4 HyperThreads) didn't handled it. I just could not fire up KSP and keep the machine useable - the whole thing started to stutter. Facebook, Youtube, command line terminals, you name it. Everything were stuttering, it was impossible to watch a video! Since I was going to buy a new old rig anyway (that by pure chance ended up being an Mac mini 6.2 - 4 Cores, 8 HTs), I didn't gave it to much atten