Temp mute keyword is on damus roadmap.
cc nostr:npub16amr0pgqzl8l57npcupjmv8j3055042g07w4qj4tu3zf4yd48nlsh96569 nostr:npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s
Also give the search box on the top of your main timeline a try with any keyword you are interested in.