Branch: refs/heads/main Home: https://github.com/hibernate/hibernate-orm Commit: 6709e442fd40c34dbdbec693a577db81f9a75f26 https://github.com/hibernate/hibernate-orm/commit/6709e442fd40c34dbdbec69... Author: Michael Trinh <32150483+mitrinh(a)users.noreply.github.com&gt; Date: 2026-04-22 (Wed, 22 Apr 2026) Changed paths: M hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/TimeUtcAsJdbcTimeJdbcType.java M hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/TimestampUtcAsInstantJdbcType.java M hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/TimestampUtcAsJdbcTimestampJdbcType.java Log Message: ----------- HHH-20355 concurrent use of to Calendar (#12208) JDBC drivers mutate the `Calendar` passed to the set methods, making the use of a singleton calendar non-thread safe. To unsubscribe from these emails, change your notification settings at https://github.com/hibernate/hibernate-orm/settings/notifications