During June 2025, Gaattc000 focused on enhancing backward compatibility within the spring-grpc repository, specifically targeting support for older gRPC BlockingStub types. By expanding the logic in BlockingStubFactory.supports and refactoring conditional checks to recognize stubs ending with 'BlockingStub', Gaattc000 ensured smoother upgrades for clients using legacy gRPC versions. The work involved detailed Java development and careful attention to library compatibility, with code maintenance and formatting improvements to uphold code quality. Although the period did not include new feature development, the targeted bug fix addressed a nuanced compatibility issue, demonstrating depth in understanding gRPC internals and Java-based library maintenance.