Worked on stabilizing the Rich Text Editor in the payloadcms/payload repository by implementing per-block isolation for Monaco editor instances within TypeScript CodeBlocks. Leveraged React hooks, specifically useId, to assign unique identifiers to each code block, ensuring independent Monaco models and preventing cross-block state leakage. Exported the Horizontal Rule node to the client API, enhancing content accessibility for both editors and consumers. Focused on improving editor reliability and performance by eliminating shared state across code blocks and supporting independent editing workflows. Utilized JavaScript, TypeScript, and advanced state management techniques to deliver a more maintainable and accessible authoring experience.