Github , TY
Evan Kaloudis (the dev of nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5) said on a podcast that the feature will exit beta in december if all goes well. Until then you can try installing directly from GitHub.
Discussion
It's not obvious where to find it, it's under the "Discussions" tab as an announcement. "Announcing version 0.8.0" or something like that.