I disagree. Cross-compiling has nothing to do with why Electron is common. The browser is the runtime that currently fixes this mess. WebAssembly would need a r

I disagree. Cross-compiling has nothing to do with why Electron is common. The browser is the runtime that currently fixes this mess. WebAssembly would need a runtime matching current browser runtimes to be a real contender, and the best choice here is... a browser. So now you have electron but it's WebAssembly, which isn't significant enough to make a dent in this mess.