I've been trying to set up the live streaming features now that Mirillis has made them available without subscription. For some reason though, when I set it up with Twitch, it fails to connect, even though the "record" button turns red when turned to any other provider, such as YouTube. Any thoughts...

As you have used Shadowplay, I'm going to assume you have an NVIDIA card. Try selecting MP4 (NVIDIA NVENC). You can record .mp4 files using your graphics card at full resolution, just like with Shadowplay. You may or may not have to install CUDA, but I don't know, I had it pre-installed. Hope this h...