This is the first time I had heard of hyperview, but it seems like an interesting approach for some mobile apps. I really appreciated the chapters on it, thank you!
It's a really great library, allowing you to take advantage of native mobile features while keeping the deployment model of web applications. Technically, it's a much bigger achievement than htmx, in that Adam Stepinski, the creator, had to create not only a hypermedia format but also a hypermedia client, which I've come to understand is the really hard part of creating a hypermedia system:
