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The original was posted on /r/nixos by /u/kqr on 2025-08-06 20:34:32+00:00.


I am new to NixOS, and have started off with flakes because that’s what the people around me use, so that’s the sort of help I can more easily receive.

One of the selling points of flakes is lockfiles for increased determinism. Yet this article is making the rounds claiming we don’t need lockfiles: https://tonsky.me/blog/lockfiles/

What is it getting wrong? Or what am I misunderstanding for thinking there’s a contradiction here?