I failed to find a solution for this task: when a topic has a reply, but this reply wasn’t written by the topic owner.
All I found is about topics without replies and not posts:
This component will add a new top navigation link that allows users to filter a TOPIC list by unanswered topics.
This simple plugin adds the tag “unhandled” to every TOPIC if there is a non-staff reply.
You can search for topics with no replies using the advanced search, and order by latest:
I thought about a query for Database explorer. Is there any way to filter such posts without replies?