1error: Nixpkgs 26.11 has dropped support for x86_64-darwin.23The 26.05 stable branch still supports x86_64-darwin, and will4receive security fixes until the end of 2026. If you use channels,5you can switch to 26.05 as follows:67 $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs8 $ sudo nix-channel --update910If this doesn’t work, you may need to run:1112 # Lack of sudo is deliberate:13 $ nix-channel --remove nixpkgs1415If you use flakes, switch your flake input:1617 inputs.nixpkgs = {18 url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";19 };2021See the release notes for more information and alternatives:2223 https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.112425 at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/lib/trivial.nix:1003:3726 … while calling the 'throw' builtin at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/lib/trivial.nix:1003:3727 … while calling anonymous lambda at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/lib/trivial.nix:1003:1928 … from call site at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/pkgs/top-level/default.nix:113:929 … while calling anonymous lambda at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/lib/trivial.nix:982:4030 … from call site at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/pkgs/top-level/default.nix:108:631 … while calling anonymous lambda at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/pkgs/top-level/default.nix:21:132 … from call site at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/pkgs/top-level/impure.nix:55:133 … while calling anonymous lambda at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/pkgs/top-level/impure.nix:12:134 … from call site at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/flake.nix:234:1235 … while calling anonymous lambda at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/flake.nix:233:1136 … from call site at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/lib/attrsets.nix:1343:1737 … while evaluating the attribute 'legacyPackages.x86_64-darwin' at /nix/store/rhsxvv1380jmchb5p3a43d24mhlmp2ry-source/lib/attrsets.nix:1343:938 … while calling anonymous lambda at /nix/store/6xr58mfvs42ixw6428x3vm9l5h88l2z7-source/modules/transposition.nix:115:2039 … while evaluating the attribute 'value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:969:1140 … while evaluating definitions from `/nix/store/6xr58mfvs42ixw6428x3vm9l5h88l2z7-source/modules/transposition.nix':41 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1233:1242 … while evaluating the attribute 'optionalValue.value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1342:543 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:1029:1844 … while evaluating the attribute 'nixpkgs.legacyPackages'45 … while calling the '__seq' builtin at /nix/store/6xr58mfvs42ixw6428x3vm9l5h88l2z7-source/modules/nixpkgs.nix:19:1146 … while evaluating the attribute 'value.content' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1600:2247 … while evaluating the attribute 'value._type' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1458:6748 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1264:2149 … from call site at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1264:1650 … while calling the '__any' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1264:1651 … while evaluating the attribute 'values' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1270:1152 … while evaluating the attribute 'optionalValue.value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1342:553 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:1029:1854 … while evaluating the attribute '_module.args.pkgs'55 … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`56 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:744:2857 … while evaluating the module argument `pkgs' in ":anon-11:anon-1":58 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:743:959 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:742:1560 … while evaluating the attribute 'value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:969:1161 … while evaluating definitions from `/nix/store/i90wf5n9gnalfkc9nzla52xmvwmhdkp9-source/flake.nix, via option perSystem':62 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1233:1263 … while evaluating the attribute 'optionalValue.value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1342:564 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:1029:1865 … while evaluating the attribute 'value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:969:1166 … while evaluating definitions from `/nix/store/6xr58mfvs42ixw6428x3vm9l5h88l2z7-source/modules/transposition.nix':67 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1233:1268 … while evaluating the attribute 'optionalValue.value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1342:569 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:1029:1870 … while evaluating the attribute 'packages.nix-auth'71 … while evaluating the attribute 'value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:969:1172 … while evaluating definitions from `/nix/store/i90wf5n9gnalfkc9nzla52xmvwmhdkp9-source/flake.nix, via option perSystem':73 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1233:1274 … while evaluating the attribute 'optionalValue.value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1342:575 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:1029:1876 … while evaluating the attribute 'value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:969:1177 … while evaluating definitions from `/nix/store/6xr58mfvs42ixw6428x3vm9l5h88l2z7-source/modules/transposition.nix':78 … while calling the '__addErrorContext' builtin at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1233:1279 … while evaluating the attribute 'optionalValue.value' at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/modules.nix:1342:580 … while calling anonymous lambda at /nix/store/f0r1xpd2wkbzcvn0bf1w1xvjkzpsyf1s-source/lib/types.nix:1029:1881 … while calling the '__isAttrs' builtin at «string»:25:982 … while calling 'prune' at «string»:24:5