Does anyone have any good success stories with WebAssembly in the actual context of using it on the web? That list of testimonials doesn't seem very inspiring as to whether or not the standard has seen actual production usage to justify being a recommended standard...
Edit: here's the PR for switching from asm.js to WASM, in case anyone's interested: https://github.com/vector-im/riot-web/pull/7385/files apparently it merged in Oct 2018.