Prism Launcher has refactored a lot of their Nix recently. This includes the changes from https://github.com/PrismLauncher/PrismLauncher/pull/1574, but I'm not 100% sure that's what fixed the issue here, it could have been some other change along the way.
Resolves https://github.com/fn2006/PollyMC/issues/85; the Nix flake will build again.
Prism Launcher has refactored a lot of their Nix recently. This includes the changes from https://github.com/PrismLauncher/PrismLauncher/pull/1574, but I'm not 100% sure that's what fixed the issue here, it could have been some other change along the way.