1error:2 … while evaluating the attribute 'legacyPackages.x86_64-darwin'3 at «git+https://github.com/NixOS/nixpkgs?ref=nixpkgs-unstable&rev=35d3407a3816f3b341d8cf1d60abaf2b7b8166ac&shallow=1»/lib/attrsets.nix:987:47:4 986| */5 987| nameValuePair = name: value: { inherit name value; };6 | ^7 988|89 … while calling the 'throw' builtin10 at «git+https://github.com/NixOS/nixpkgs?ref=nixpkgs-unstable&rev=35d3407a3816f3b341d8cf1d60abaf2b7b8166ac&shallow=1»/lib/trivial.nix:1003:37:11 1002| */12 1003| throwIf = cond: msg: if cond then throw msg else x: x;13 | ^14 1004|1516 error: Nixpkgs 26.11 has dropped support for x86_64-darwin.1718 The 26.05 stable branch still supports x86_64-darwin, and will19 receive security fixes until the end of 2026. If you use channels,20 you can switch to 26.05 as follows:2122 $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs23 $ sudo nix-channel --update2425 If this doesn’t work, you may need to run:2627 # Lack of sudo is deliberate:28 $ nix-channel --remove nixpkgs2930 If you use flakes, switch your flake input:3132 inputs.nixpkgs = {33 url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";34 };3536 See the release notes for more information and alternatives:3738 https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.11