Thank your reply. I encountered this notice while using this component, so I wanted to ask if it’s necessary to update the component, as I don’t know how to program. 
[Admin Notice] One of your themes or plugins needs updating for compatibility with upcoming Discourse core changes. (id:discourse.hbr-topic-list-overrides) Identified theme: ‘Battle Axe 2.0 Common’.
I’m using this one: discourse-theme-battle-axe-v2-common