Hi Nathan, AEM does not support Solr 8x for oak indexes due to non-backwards compatible schema changes. The crux is the underlying version of Lucene used within AEM (4.7.1).AEM 6.5.6 actually uses Solr 6.6.6 [1][2] -- which may work with 7.x Solr in a limited way. If you're using Solr as an SRP (Sto...