Worked on the kubernetes/kubernetes repository to address a memory management issue in the watch cache interval buffer. Focused on backend development using Go, the work involved identifying and fixing a memory leak by cleaning up references to aged-out events, which allowed the garbage collector to reclaim memory and reduced the overall memory footprint during watcher lifecycles. The solution included implementing logic to ensure that obsolete event references were properly cleared and adding clarifying comments to the codebase to support future maintainability. This targeted bug fix improved the stability and efficiency of the watch cache without introducing new features.