Twitch has been letting fans pay extra to support their favourite streamers through subscriptions for some time, but now streamers are getting the option to make content exclusively for those paying viewers. A beta for subscriber-only streams quietly made the rounds last month, but now it’s official and available.
Subscriber Streams will work just like any other broadcast, but will be exclusive to subscribers (Twitch Prime subs work just as well as normal ones.) If you land on a channel that’s running an exclusive stream, you’ll get a quick preview of what’s happening, and a prompt to subscribe to view the broadcast.
Twitch is quick to note in the official announcement that these streams aren’t actually private, as the previews will show a bit of the content and viewers are free to view clips from the stream without any subscription requirement. This presumably heads off any worries that a ‘private stream’ might be used in a, uh, non-gaming context.
Original source: https://www.pcgamesn.com/twitch-subscriber-streams