Query.stream() generic element type is wrong

Query<R>.stream claims to return java.util.stream.Stream<R> but seems to always return a stream of Object[], even for queries with single entity results (i.e. created with createQuery("SELECT e FROM EntityType e", EntityType.class) that do have a Query<EntityType> type - and where the other typed methods getResultList/iterate produce the expected results.

Using that stream usually results in a ClassCastException: