Things have been changing, people thought that the DOM stuff would need the GC stuff, but the new "host bindings" proposal my sibling linked to would give DOM stuff without the GC stuff.
Everyone I talk to suggests that it will be sometime next year.
Aside from the fact that a single thumbs up doesn’t qualify as a comment by HN standards, select Unicode characters are whitelisted but the rest are sanitized.
DOM support for wasm really means native DOM support, which removes that layer of indirection, and therefore will make it faster.