During April 2026, this developer focused on enhancing code quality for the k-wall/kroxylicious repository by addressing UnnecessaryMethodReference warnings in Java test files. They refactored test code, replacing problematic method references with direct calls to improve clarity and reliability in HeaderAssert.java and TlsHttpClientConfiguratorTest.java. To ensure long-term compliance, they updated the build configuration in pom.xml to treat these warnings as errors, preventing future regressions. Their work leveraged Java and unit testing best practices, resulting in a more robust and maintainable codebase. This targeted bug fix reduced the risk of CI failures and aligned the repository with established coding standards.