During February 2026, Hardik Khandelwal focused on maintenance work for the hiero-ledger/hiero-sdk-cpp repository, emphasizing code clarity and long-term stability. He addressed a documentation issue in the Transaction module by correcting a misleading comment, changing 'singer' to 'signer' to accurately describe the function’s intent. This C++ development effort did not introduce new features but improved maintainability and reduced the risk of future misinterpretation. By aligning comments with actual code behavior, Hardik enhanced onboarding readiness for new contributors and strengthened traceability for future changes. His work demonstrated attention to detail and a commitment to robust, well-documented C++ codebases.