Yes, I also noticed '/crx/packmgr/update.jsp' doesn't work for 6.4Adobe Experience Manager (AEM) API is an old swagger link for OAK 1.2+ which still works in AEM 6.16.3 and 6.4 docs, Using cURL with AEM, do not mention about this use case. I'm not sure if updating filters is still supported. Proba...