Customizations to the Classic UI are not picked up in 13.5.0 due to a change from previous versions in the way the defaultOrg value is set.
Given the default configuration suffix dc=openam,dc=forgerock,dc=org, the directory structure is expected to be something like:
Instead, 13.5.0 requires the complete RDN of the config suffix, not just the RDN value. This directory structure works correctly:
It appears that the change is a side effect introduced in the fix to
OPENAM-8919, specifically in the way
DNUtils.DNtoName() returns the org name.