How do I connect to multiple channels simultaneously? Craig Conover November 19, 2020 11:29 Updated The Stream Controller feature (Channel Multiplexing, Channel Groups & Wildcard Subscribe) allows a single client connection to subscribe to multiple channels. Related articles How do I prevent old published messages from reaching subscribers? How do I access messages published prior to subscribing? How do I enable add-on features for my keys? Is a connection closed if I shut down the PubNub object? Can PubNub support millions of users and millions of channels?