UI.Next is available for experimentation as a public WebSharper.UI.Next NuGet package. You can build examples from source - just get WebSharper first. UI.Next addresses most shortcomings we felt WebSharper had for single-page JavaScript applications. The most interesting part is a dataflow model integrated with DOM for defining reactive UI, but we also provide support for client-side routing and animation. If you play with it, Simon and I will be very interested in your feedback.  Next week we plan to do[...]