This feature allows you to check existing AEM instances for their upgradability by detecting patterns in use that:
1. Violate certain rules and are done in areas that will be affected or overwritten by the upgrade
2. Use an AEM 6.x feature or an API that is not backwards compatible on AEM 6.4 and can potentially break after upgrade.
This could serve as an assessment of the development effort that is involved in upgrading to AEM 6.4.
How to Set Up
The Pattern Detector is released separately as a one package working on any source AEM versions from 6.1 to 6.5 targeting AEM 6.5 upgrade. It can be installed using the Package Manager .