Worked on improving the reliability of development console logging within the TanStack/router repository, focusing on the ScriptOnce component. Addressed a hydration SyntaxError by replacing template literals with safer string concatenation in console outputs, and enhanced the escaping of characters using the jsesc library to mitigate injection-like issues during development. These targeted bug fixes, implemented using React and TypeScript, contributed to a more robust debugging experience and reduced the likelihood of runtime errors in development environments. The work emphasized careful handling of front end logging mechanisms, ensuring that development-time logs are both secure and informative for other contributors and users.