Worked on enhancing the PaperMC version management workflow within the NixOS/nixpkgs repository, focusing on improving package update stability. Addressed a bug by refining the version filtering logic to exclude release candidate and pre-release versions, ensuring that only stable PaperMC releases are considered during updates. This targeted fix, implemented in Python and leveraging skills in package management and version control, updated PaperMC from version 1.21.8 to 1.21.9. The change reduced the risk of unstable builds entering NixOS channels, aligning update processes with release-quality standards and contributing to more reliable package maintenance within the NixOS ecosystem.