285301cd1f
The 5.10 series is the next longterm version of the linux kernel and I've been using it on multiple x86_64 machines ever since it came out. I think it is time to switch over the default now, so we get some additional testing in time for NixOS 21.05.
Moved to: ./contributing-to-this-manual.xml. Link: https://nixos.org/manual/nixos/unstable/#chap-contributing