November 2024 monthly summary: Delivered stability and correctness improvements across two core repositories, focusing on robust error handling, test coverage, and alignment of feature defaults with intended behavior. In prysmaticlabs/prysm, fixed a panic scenario in the Event Stream Subscription by returning on HTTP connection errors and added regression tests to verify error handling. In hiero-ledger/hiero-json-rpc-relay, corrected WS_NEW_HEADS_ENABLED default from null to true, enabling the related feature by default and reducing configuration ambiguity. These changes improve reliability, reduce downtime risk, and enhance developer confidence, while delivering clearer behavior for end users. Technologies showcased include error-handling discipline, regression testing, and default-configuration validation.