In addition to the other commenter mentioning it will use the JS GC of the browser for #2 (which has tons of manpower behind), the issue with #4 is that you would need threads w&#x2F; shared memory [1] which seems as far out as a native GC. Also, for #3, it&#x27;s not &quot;unnecessary&quot; for a multitude of developers and languages. Web development without (at least optional) GC is going the wrong direction.<p>1 - <a href="https:&#x2F;&#x2F;github.com&#x2F;WebAssembly&#x2F;design&#x2F;issues&#x2F;104" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;WebAssembly&#x2F;design&#x2F;issues&#x2F;104</a>