Hi,
My question is in the title entirely. ![]()
Thanks for your help.
Start from Latest /e/OS community, select Unread > Dismiss all unread. This will leave only New (also possible to Dismiss New).
Logically You cannot meet the OP title without much searching and reading. I guess I assumed you wanted to suppress the blue markers for “Unread”.

Maybe check / search Discourse as Mark unread, how oh how to use it? - Support - Discourse Meta
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