During September 2025, Dhingu focused on improving the stability and maintainability of the Cache Aware Load Balancer in the apache/hbase repository. He addressed a NullPointerException in the balanceTable method by introducing a null check for the region plans list, ensuring the method returns null when appropriate. This change enhanced runtime robustness and prevented potential failures in load balancing scenarios. Dhingu reinforced the fix with a dedicated unit test to guard against regressions. Working primarily in Java, he applied backend development and exception handling skills, validating the solution through continuous integration and contributing to the overall reliability of HBase’s load balancing.