Prep 7.3 release

Author: sebersole

hibernate-core/src/main/java/org/hibernate/persister/entity/AbstractEntityPersister.java

@@ -70,6 +70,7 @@
 import org.hibernate.id.BulkInsertionCapableIdentifierGenerator;
 import org.hibernate.id.IdentifierGenerator;
 import org.hibernate.id.OptimizableGenerator;
+import org.hibernate.internal.util.collections.ArrayHelper;
 import org.hibernate.persister.filter.internal.FilterHelper;
 import org.hibernate.internal.util.ImmutableBitSet;
 import org.hibernate.internal.util.IndexedConsumer;
@@ -147,7 +148,6 @@
 import org.hibernate.metamodel.spi.EntityRepresentationStrategy;
 import org.hibernate.metamodel.spi.MappingMetamodelImplementor;
 import org.hibernate.metamodel.spi.RuntimeModelCreationContext;
-import org.hibernate.models.internal.util.CollectionHelper;
 import org.hibernate.persister.collection.CollectionPersister;
 import org.hibernate.persister.entity.mutation.DeleteCoordinator;
 import org.hibernate.persister.entity.mutation.DeleteCoordinatorSoft;
@@ -2696,7 +2696,7 @@ protected EntityTableMapping getTableMapping(int i) {
 
 	@Override
 	public void forEachTableDetails(Consumer<TableDetails> consumer) {
-		CollectionHelper.forEach( getTableMappings(), consumer );
+		ArrayHelper.forEach( getTableMappings(), consumer );
 	}
 
 	/**

migration-guide.adoc

@@ -43,6 +43,9 @@ See the link:{releaseSeriesBase}#whats-new[website] for the list of new features
 
 This section describes changes to contracts (classes, interfaces, methods, etc.) which are considered https://hibernate.org/community/compatibility-policy/#api[API].
 
+[[columns-annotation]]
+=== Removed @Columns
+
 The obsolete `@Columns` annotation was removed, since this is no longer used.
 
 
@@ -134,6 +137,11 @@ Such changes typically do not impact programs using a relational schema managed
 
 Columns mapped by `@Version` fields are now declared `not null` by default.
 
+[NOTE]
+====
+"By default" in the sense that users no longer need to specify `nullable=false` for these columns.  Hibernate has never supported NULL values in version columns.
+====
+
 [[dependency-changes]]
 == Changes in Dependencies