That's because it's not a full circle. There are plenty of subtle details that are new. The ability to interleave components written for Server and Client withi

That's because it's not a full circle. There are plenty of subtle details that are new. The ability to interleave components written for Server and Client within a single programming model and with support for in-place refetching that doesn't destroy state is relatively novel — frankly I haven't seen something quite like it anywhere before.