> ok, its for os4 and the x5000, if they ever start producing them again

Not just X5000. This is how the quote continues:

"work is currently being done on porting the multi-core variant to A1222 plus, after which an adaptation to the AmigaOne X1000 is being planned. Solie hopes that porting the multi-core kernel to the other systems will provide new insights, since other processors are used there."