Cody Horton focused on improving JSON pretty-printing reliability in the ruby/ruby and ruby/json repositories during May 2025. He addressed bugs in the pretty_generate method by refining state handling and argument passing, ensuring that custom State objects were correctly utilized for JSON output. Cody implemented targeted tests to safeguard these changes, enhancing consistency and reliability for downstream consumers. Working primarily with Ruby, JSON, and Ruby Gems, he aligned pretty-printing behavior across both repositories. His work reduced error-prone usage patterns and improved output stability, ultimately lowering maintenance overhead and enabling developers to depend on consistent, customizable JSON generation in their applications.