During November 2024, Masatoshi Miura enhanced the hibernate/hibernate-orm repository by expanding test coverage for null bindings of temporal types in JPA queries. Focusing on both JPQL and native SQL paths, he developed comprehensive tests to validate the correct handling of date and time parameters when bound to null values. Using Java, Hibernate, and SQL, Masatoshi’s work targeted a subtle but critical aspect of ORM query correctness, reducing the risk of regressions and improving maintainability. His contributions stabilized the JPA query layer by ensuring that null temporal parameters are consistently and accurately processed across different query execution paths.