Geospatial NIX provides weekly updated geospatial packages built on top of the latest stable Nixpkgs branch.
Check out the user interface at https://geospatial-nix.today/ .
curl --proto '=https' --tlsv1.2 -sSf \
-L https://install.determinate.systems/nix \
| sh -s -- install
nix flake show github:imincik/geospatial-nix
Launch the latest stable QGIS version
nix run github:imincik/geospatial-nix#qgis
Launch QGIS LTR version
nix run github:imincik/geospatial-nix#qgis-ltr
nix develop github:imincik/geospatial-nix#cli