Worked on the etcd-io/etcd repository to deliver two features focused on authentication and deprecation processes. Developed documentation and changelog updates for the write-only-skip-check option, supporting the v2 deprecation workflow and ensuring migration readiness. Added support for bearer-prefixed authentication tokens, addressing websocket authentication across multiple versions to enhance security and consistency. Emphasized clear documentation, traceability, and disciplined version control by using signed commits and detailed pull request references. Utilized Go for backend and API development, with Markdown for documentation. The work prioritized maintainability and cross-version compatibility, with a methodical approach to testing and release documentation throughout the month.