Worked on stabilizing encoding-safe marshaling in the Shopify/ruby repository, focusing on improving how UTF-32 and UTF-16 strings with trailing bytes are handled in TruffleRuby. Addressed a bug where such strings were previously mishandled by implementing logic to skip unsupported cases and ensure correct processing, thereby enhancing the reliability of the virtual machine’s marshaling path. Added targeted tests to cover edge cases across multiple encodings, which helps prevent regressions and reduces risk for downstream tools like RubyGems. Utilized Ruby and Ruby on Rails, with an emphasis on robust testing practices to strengthen string handling and overall system stability.