Twitch’s crusade against garbage live chats saw a victory on Monday. The streaming platform released an automated moderation feature called AutoMod that is already, some streamers say, a game-changer.

AutoMod is a brand new feature in Twitch’s livestreaming service, and it’s looking a bit hit-or-miss at the moment. To give you a brief rundown, AutoMod is basically a bot that scans your chatroom for ...