Also, I see that after v.5.0.0 the oak:index was moved from /var/aecu but never removed programmatically, since the tool also found
/var/aecu/oak:index/aecuHistory,The /var/aecu/oak:index/aecuHistory Oak index has a rule violation: Custom definition name must follow the pattern -custom-
/var/aecu/oak:index/aecuHistory,The /var/aecu/oak:index/aecuHistory Oak index has a rule violation: Path must begin with /oak:/index
/var/aecu/oak:index/aecuHistory,The /var/aecu/oak:index/aecuHistory Oak index has a rule violation: reindex property is not allowed
/var/aecu/oak:index/aecuHistory,The /var/aecu/oak:index/aecuHistory Oak index has a rule violation: seed property is not allowed
Evaluating the move to cloud, some warnings appeared in the report (https://experienceleague.adobe.com/en/docs/experience-manager-learn/cloud-service/migration/cloud-acceleration-manager/readiness-and-best-practice-analyzer)
The second one I believe is an bug on the tool since can't find the property in https://github.com/valtech/aem-easy-content-upgrade/blob/develop/oak.index/src/main/content/jcr_root/_oak_index/aecuHistory-custom-1/.content.xml
Also, I see that after v.5.0.0 the oak:index was moved from /var/aecu but never removed programmatically, since the tool also found