= 6.4 Migration Guide :toc: :toclevels: 4 :docsBase: https://docs.jboss.org/hibernate/orm :versionDocBase: {docsBase}/6.4 :userGuideBase: {versionDocBase}/userguide/html_single/Hibernate_User_Guide.html :javadocsBase: {versionDocBase}/javadocs This guide discusses migration to Hibernate ORM version 6.4. For migration from earlier versions, see any other pertinent migration guides as well. * link:{docsBase}/6.3/migration-guide/migration-guide.html[6.3 Migration guide] * link:{docsBase}/6.2/migration-guide/migration-guide.html[6.2 Migration guide] * link:{docsBase}/6.1/migration-guide/migration-guide.html[6.1 Migration guide] * link:{docsBase}/6.0/migration-guide/migration-guide.html[6.0 Migration guide]