Since https://github.com/NixOS/nix/commit/00d25e84577659ccf0bc360c61c47b6cd25d1c26 which was first included in nix 2.4. It is a backwards-compatible change since the flag will just be ignored.
Since https://github.com/NixOS/nix/commit/00d25e84577659ccf0bc360c61c47b6cd25d1c26 which was first included in nix 2.4. It is a backwards-compatible change since the flag will just be ignored.