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> If you are using WebAssembly in a web browser then you are good, WASI does not concern you.

In case you absolutely do not care for WASI but love WebAssembly for the web.

I don't think there's any guarantee that browser vendors will continue to support WASI 0.1 indefinitely; Once multiple versions of the standard are in play, codebase supporting them simultaneously explode in size. None of this gets into the likelihood that, once WASI hits 1.0, the prior versions very well could be "retired".

And keep in mind that the perspective of the author is that things will only get worse from hereon, with regard to WASM.

I didn't know browser vendors supported WASI! I said that as some of us do not use WASI at all, just WebAssembly itself, so they can save some time by not reading this if they're not interested in WASI and/or its limitations.

Browsers don't have any built-in support for WASI. It's up to the web page to define those as exports for WASI-expecting WASM modules to import.

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