There was a big focus in 6.5 to keep all the new features backward compatible, but in cases where you still see some backward compatibility issues, the compatibility mode allows you to temporarily defer development to keep your custom code compliant with 6.5. The upgrade should start with the Pattern Detector(see Assessing the Upgrade Complexity with Pattern Detector) which should let you decide the path you want to take for compatibility with AEM 6.4 based on the patterns in the generated report. Please note the refernce to the new features we have introduced. The diagram below captures the overall recommended flow highlight the upgrade approach. ![]() The following outline has been provided as an overview of what is included in an upgrade project and the content that has been included in this documentation: Upgrading AEM is a multi-step, sometimes multi-month process. Adobe Experience Manager 6.5 Latest Service Pack Release Notes.General Release Notes for Adobe Experience Manager 6.4.Finally, best practices for sustainable upgrades are also added.įor more details about what else has changed in recent AEM versions, see the complete release notes: 6.5 also has a strong focus on backward compatibility of features. See Revision Cleanup for information on how to configure these tasks.ĪEM recently introduces the Pattern Detector for assessment of complexity of the upgrade as you start planning for the upgrade. With the introduction of AEM 6.3, Adobe supports and recommends Online Revision Cleanup. Periodic garbage collection of revisions and data store garbage collection are now routine maintenance tasks that need to be performed periodically. The post-upgrade checks have also been made automation friendly. The crx2oak tool command line usage options have been changed to be automation friendly and support more upgrade paths. The pre-upgrade maintenance tasks have been optimized to support automation. This migration is not required if upgrading from AEM 6.3 to AEM 6.5. Additionally, a new version of the crx2oak tool has been released to work with the new repository format. Note that re-indexing will not be necessary. If you are upgrading from a version older than AEM 6.3, this will require a repository migration as part of the upgrade, involving system downtime.Īdobe Engineering estimates this to be around 20 minutes. In our internal tests, 125K assets on a TarMK environment were migrated in an hour, but your results may vary.Ħ.3 introduced a new format for the SegmentNodeStore, which is the basis of the TarMK implementation. If Assets Insights is to be used and you are upgrading from a version older than AEM 6.2, assets must be migrated and have IDs generated through a JMX bean. For more information, see Using the CRX2OAK Migration Tool. A migration tool called crx2oak needs to be run to migrate CRX2 repositories from 5.6.1 instances. ![]() Starting from version 6.1, CRX2 is no longer supported. Persistence Managers were replaced by Micro Kernels. The following are major changes of note over the last several releases of AEM:ĪEM 6.0 introduced the new Jackrabbit Oak repository. For more information on how to align with the new structure, see Repository Restructuring in AEM. As part of the efforts to improve the reliability of upgrades, AEM has undergone a comprehensive repository restructuring.
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