Yes, that's a big one that's still missing. Let's hope it get's implemented soon.

For now you can use these:

https://nostrudel.ninja/#/channels/nevent1qqswn4q3vy2skdk24tf3r7mf74hvpktpvkmdjfyzrhelww4fgxlz2kgrg0krg

https://www.nostrchat.io/channel/e9d41161150b36caaad311fb69f56ec0d96165b6d924821df3f73aa941be2559

https://www.0xchat.com

& some more