Well, two good reasons (at least to me) are the newer kernel and an up-to-date version of openssh. I've upgraded 2 VMs so far from 12.04. One broke (not a big

Well, two good reasons (at least to me) are the newer kernel and an up-to-date version of openssh. I've upgraded 2 VMs so far from 12.04. One broke (not a big deal) and the other worked just fine. Mind you, you will have to do some fiddling to get ed25519 host and user keys working. But it's not too hard to get working.