Peter Rice enhanced language support in the helix-editor/helix repository by implementing rainbow syntax highlighting for the Janet programming language. He developed new rainbows.scm queries to enable precise highlighting of scopes and brackets, improving code readability and supporting developer productivity for Janet users. His work included updating the language support documentation to accurately reflect these new capabilities and guide users in leveraging the enhancements. Focusing on language support and syntax highlighting, Peter’s contributions addressed the need for better dynamic language tooling within Helix. The depth of his work is evident in the careful integration of syntax features and documentation updates.