You can use the Nix tooling to show the diff between two derivations' closure. I have a script which I use [1] after updating my Flakes to do just that : know

You can use the Nix tooling to show the diff between two derivations' closure. I have a script which I use [1] after updating my Flakes to do just that : know what has been upgraded. [1] https://github.com/nix-community/nur-combined/tree/master/repos/ambroisie/pkgs/diff-flake/default.nix#L37 https://github.com/nix-community/nur-combined/tree/master/re...