Worked on the ruby/ruby repository to deliver prerelease support in gem dependency resolution, enabling developers to select prerelease gem versions during dependency management. The approach involved propagating the prerelease attribute into dependency resolver sets, aligning with recent changes in RubyGems and enhancing the flexibility of version selection. Comprehensive tests were added to cover various prerelease resolution scenarios, ensuring stability and reliability across different resolution paths. This work, implemented using Ruby and focused on dependency management, allows for earlier adoption of prerelease gems and reduces deployment friction, ultimately improving the software development workflow for projects relying on RubyGems infrastructure.