Worked on enhancing Janet language support in the helix-editor/helix repository by implementing rainbow syntax highlighting for scopes and brackets using scm query files. This feature improved code readability and developer productivity for those working with Janet, a dynamic programming language. The technical approach involved creating new rainbows.scm queries to enable precise syntax highlighting, aligning with the project’s roadmap for broader language support. Additionally, updated the language support documentation to accurately reflect the new Janet capabilities and usage instructions. The work focused on language support and syntax highlighting, contributing to Helix’s utility for developers working with dynamic languages like Janet.