During March 2026, Donghyeok Kim contributed to the apache/flink repository by developing a new Rescales/Configuration sub-page for streaming jobs using Angular and TypeScript. This feature enabled users to view and manage rescale settings within the adaptive scheduler, improving operational visibility and user experience for streaming job management. Donghyeok also refactored variable names in the JobStatusComponent related to checkpoint navigation, addressing a critical bug and reducing the risk of misconfiguration. The work demonstrated a focus on frontend code quality, clear naming conventions, and effective collaboration with cross-team contributors, resulting in more maintainable and user-friendly streaming job interfaces.