Could be that I'm still on XF2.0 then. I'll have to migrate to XF2.1 on my test site and see what happens. My host is only running PHP7.3.7 so I can't go too much higher.
So I installed the most recent update, and now alerts no longer clear if you read the thread the alert was in.
For instance, someone quotes me in such and such thread. I get an alert.
Prior to the update I could go to such and such thread and it would clear the alert once I hit the post I...