I’ve got 2 questions regarding muted topics:
Is there an option to mute a topic (= receive no e-mail notifications, even if my name is mentioned or somebody answered one of my posts) -but still see this topic listed- in its category? I think right now it gets completely hidden.
How to find and list all my muted topics, since they are not visible in their categories anymore?
Not in the way I’ve asked ;-) since in this case the topic also disappears from the category.
https://community.openstreetmap.org/latest?state=muted
This lists the only muted threads by latest activity. (You may need to manually remove ?state=muted from the url to resume normal browsing.)
There should also be a link to show muted threads (and areas) in your profile somewhere.
Not sure if there’s an option to selectively mute just notifications from specific threads. I’d guess no.
Thanks, your link is working. It is also reachable via GUI, although not very intuitive since it is listed in section “Categories”:
Profile > Settings > Tracking > Categories > Muted: Click onto “Show”
The other question (how to display muted topics within its Category list) seems not to be possible.
Über Einstellungen? > Verfolgen > etwas runter scrollen bis “Stummgeschaltet”
In das blau umrandete Feld klicken!
Hilft das?
Not really 
because these are muted Categories - not topics. But if you click onto “Anzeigen” (=“Show”) on top right, then the muted Topics are listet - as mentioned in my former post.
