- boost 167 removed on staging-next (7915d1e03f) × boost attributes are inherited on staging (d20aa4955d) - linux kernels were moved to linux-kernels.nix on staging-next (c62f911507) × hardened kernels are versioned on staging (a5341beb78) + removed linux_5_12 (e55554491d) - conflict in node-packages – I regenerated it using node2nix from nixos-unstable (does not build on staging)