During April 2026, Griffonbyte enhanced backend reliability and developer experience across the k-wall/kroxylicious and keycloak/keycloak repositories. In kroxylicious, they integrated the Mockito Java agent into the test infrastructure, suppressing self-attach warnings and ensuring compatibility with future JDK versions. For keycloak, Griffonbyte improved configuration validation by explicitly rejecting non-.conf files and providing actionable error messages, reducing silent misconfigurations and streamlining troubleshooting. Their work leveraged Java, Maven, and JUnit, focusing on robust testing and clear user feedback. The contributions addressed both feature development and bug resolution, demonstrating a thoughtful approach to maintainability and future-proofing in backend systems.