
Both packages will get EOLed within the lifetime of 20.09. `nextcloud17` can be removed entirely (the attribute-path is kept however to provide meaningful errors), however `nextcloud18` must be kept as `insecure` to make sure that users from `nextcloud17` can properly upgrade to `nextcloud19` on NixOS 20.09.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.