During November 2024, Wanyun Zhang focused on maintaining and stabilizing the CI/CD pipeline for the Altinity/ClickHouse repository, ensuring reliable build and deployment processes. Zhang’s work involved re-running and monitoring the pipeline, addressing operational issues to mitigate flakiness and support ongoing development cycles. By documenting pipeline health and establishing repeatable maintenance procedures, Zhang improved visibility and operational readiness for future sprints. The work did not introduce new code or user-facing features but emphasized infrastructure reliability using tools such as GitHub Actions and shell scripting. This maintenance-oriented contribution provided foundational support for the team’s release velocity and system reliability.