Warning after pressing "Join" in channels dialogue

Using Polari from Flathub:

(polari:257): Gjs-CRITICAL **: 15:01:39.415: JS ERROR: TypeError: (intermediate value).get_current_event_device is not a function
ServerRoomList/<@resource:///org/gnome/Polari/js/serverRoomManager.js:183:27
@resource:///org/gnome/Polari/js/main.js:42:13