Thanks for the notes here. Sorry to hear about some of the hiccups you're running into!
The Disney+ channel is currently experiencing high demand due to high popularity, which may result in some performance issues across various platforms which offer their service. Disney+ is working diligently to help address these issues and get things running smoothly.
In the meantime, if you are seeing missing content, or images that aren't loading in the channel interface, please try restarting your device, and trying again.
If you aren't able to install the channel, or receive an error, please restart your Roku device from Settings>System>System restart (or Settings>System>Power>System restart on Roku TVs). Then, check for a system update in Settings>System update>Check now. As long as you are using a model of Roku device that the Disney+ channel supports, the channel should install, even if it takes a few tries.
If you need additional help or support, please contact Disney+ support here: https://help.disneyplus.com/
Why didn't they post a list of supported devices before now? I looked a couple of months ago in case I needed to upgrade and all they said was Roku devices - didn't specify model or anything. I'm going to try going through the Apple TV App - that's how you get to Disney + on the Apple TV Gen 3
Thanks for posting. So it wasn't just me...We were at D23 Expo and I don't remember any caveats about we needed a certain Roku to get service.
Anyone else having the problem of when you try to start Disney + all it says is Start streaming November 12, 2019.... well it is November 12, 2019 so dont know why there is no other option...