They should’ve at least put a redirect to the native version instead of the browser unsupported message.

They did both.

Sounds like you’re enjoying it! I haven’t started the series yet but read the book and highly recommend it.

I just jumped on and mobile browser working fine for me. I changed to “new” and it’s all recent stuff. But I do think this is in early stages and more content will be generated as more of us make the transition, and I imagine UI of apps and web will continue to improve too.