Branch: refs/heads/main Home: https://github.com/hibernate/hibernate-orm Commit: 5efa49f7d1e48bc5d12a11c41df18d4789bf3a4d https://github.com/hibernate/hibernate-orm/commit/5efa49f7d1e48bc5d12a11c... Author: Gavin <gavin(a)hibernate.org&gt; Date: 2023-05-24 (Wed, 24 May 2023) Changed paths: M hibernate-core/src/main/java/org/hibernate/boot/model/internal/EmbeddableBinder.java Log Message: ----------- HHH-16600 @Basic(optional=false) on embeddable held by single table subclass don't generate a 'not null' constraint for a field of an embeddable class if it belongs to a subclass in single table inheritance hierarchy