It doesn’t seem like a very “walled” garden if they were able to migrate all their data including issues and comments

https://wiki.archlinux.org/title/XDG_Desktop_Portal

Their reasoning was that X11 network transparency had been broken for quite some time. If you tried running chrome, most games, or anything with modern hardware acceleration over X11 forwarding, they wouldn’t work.

So, IMHO waypipe is actually an improvement in terms of compatibility, rather than a regression.

I mean, their official discourse forums have a fair bit of documentation.

But Bazzite’s goal is to make things work so that people can spend their time playing their games instead of reading documentation.

That depends on what your use case is. If you’re after gaming, I’d recommend Bazzite