Update release notes

To be squashed

Author: fredericDelaporte

releasenotes.txt

@@ -3,7 +3,7 @@
 
 Release notes - NHibernate - Version 5.3.0
 
-196 issues were resolved in this release.
+197 issues were resolved in this release.
 
     ##### Possible Breaking Changes #####
         * A distributed cache may hold conflicting timestamps after upgrade for as much as twelve hours.
@@ -39,6 +39,7 @@ Release notes - NHibernate - Version 5.3.0
 
 ** Bug
 
+   * #2380 OData NotSupportedException MemberInit on base class member
    * #2346 Fix SQLite typing
    * #2336 Intermittent null reference exception on CloseConnection
    * #2324 Update IIsEntityDecider to use ExpressionsHelper.TryGetMappedType