Document actual status of orm.hibernate5 and Hibernate JPA support

See gh-35111

spring-orm/src/main/java/org/springframework/orm/hibernate5/HibernateTransactionManager.java

@@ -97,10 +97,6 @@ import org.springframework.util.Assert;
  * support nested transactions! Hence, do not expect Hibernate access code to
  * semantically participate in a nested transaction.</i>
  *
- * <p><b>NOTE: Hibernate ORM 6.x is officially only supported as a JPA provider.
- * Please use {@link org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean}
- * with {@link org.springframework.orm.jpa.JpaTransactionManager} there instead.</b>
- *
  * @author Juergen Hoeller
  * @since 4.2
  * @see #setSessionFactory
@@ -285,10 +281,9 @@ public class HibernateTransactionManager extends AbstractPlatformTransactionMana
 	/**
 	 * Set whether to operate on a Hibernate-managed Session instead of a
 	 * Spring-managed Session, that is, whether to obtain the Session through
-	 * Hibernate's {@link SessionFactory#getCurrentSession()}
-	 * instead of {@link SessionFactory#openSession()} (with a Spring
-	 * {@link TransactionSynchronizationManager}
-	 * check preceding it).
+	 * Hibernate's {@link SessionFactory#getCurrentSession()} instead of
+	 * {@link SessionFactory#openSession()} (with a Spring
+	 * {@link TransactionSynchronizationManager} check preceding it).
 	 * <p>Default is "false", i.e. using a Spring-managed Session: taking the current
 	 * thread-bound Session if available (for example, in an Open-Session-in-View scenario),
 	 * creating a new Session for the current transaction otherwise.

spring-orm/src/main/java/org/springframework/orm/hibernate5/LocalSessionFactoryBean.java

@@ -68,10 +68,6 @@ import org.springframework.lang.Nullable;
  * {@link HibernateTransactionManager}, this naturally allows for mixing JPA access code
  * with native Hibernate access code within the same transaction.
  *
- * <p><b>NOTE: Hibernate ORM 6.x is officially only supported as a JPA provider.
- * Please use {@link org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean}
- * with {@link org.springframework.orm.jpa.JpaTransactionManager} there instead.</b>
- *
  * @author Juergen Hoeller
  * @since 4.2
  * @see #setDataSource

spring-orm/src/main/java/org/springframework/orm/hibernate5/package-info.java

@@ -1,14 +1,11 @@
 /**
  * Package providing integration of
- * <a href="https://hibernate.org/">Hibernate 5.x</a>
+ * <a href="https://hibernate.org/">Hibernate ORM 5.x</a>
  * with Spring concepts.
  *
- * <p>Contains an implementation of Spring's transaction SPI for local Hibernate transactions.
- * This package is intentionally rather minimal, with no template classes or the like,
- * in order to follow Hibernate recommendations as closely as possible. We recommend
- * using Hibernate's native <code>sessionFactory.getCurrentSession()</code> style.
- *
- * <p><b>This package supports Hibernate 5.x only.</b>
+ * <p>This package supports Hibernate 5.x while also tolerating use against
+ * Hibernate ORM 6.x for migration purposes. Note that we strongly recommend
+ * Hibernate's native <code>sessionFactory.getCurrentSession()</code> style.
  */
 @NonNullApi
 @NonNullFields

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/HibernateJpaDialect.java

@@ -75,7 +75,7 @@ import org.springframework.util.ReflectionUtils;
 
 /**
  * {@link org.springframework.orm.jpa.JpaDialect} implementation for Hibernate.
- * Compatible with Hibernate ORM 5.5/5.6 as well as 6.0/6.1/6.2/6.3.
+ * Compatible with Hibernate ORM 5.5/5.6 as well as 6.x.
  *
  * @author Juergen Hoeller
  * @author Costin Leau

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/HibernateJpaVendorAdapter.java

@@ -47,7 +47,7 @@ import org.springframework.util.ClassUtils;
 
 /**
  * {@link org.springframework.orm.jpa.JpaVendorAdapter} implementation for Hibernate.
- * Compatible with Hibernate ORM 5.5/5.6 as well as 6.0/6.1/6.2/6.3.
+ * Compatible with Hibernate ORM 5.5/5.6 as well as 6.x.
  *
  * <p>Exposes Hibernate's persistence provider and Hibernate's Session as extended
  * EntityManager interface, and adapts {@link AbstractJpaVendorAdapter}'s common