Comment by nickserv

Ubuntu LTS distros can need some time, yeah. A few months is not unheard of.

AMD typically starts adding basic kernel support before the hardware comes out, but full feature support is usually shipped shortly after hardware release. I suppose it's to avoid leaking specs before release?

But anyway if you want good support for new hardware, much better to run some sort of rolling release, like most Arch based distros.

Personally I run an Ubuntu LTS but with the latest mesa drivers via ppa, and am always at least a generation behind on the card. Much cheaper that way. Or at least it used to be...