Not sure if it does but the video linked in the post might answer your question? I think he is compiling vscode which includes Monaco editor which is where they are getting 10x faster stat. (I might be wrong here.) [0]

[0] https://youtu.be/pNlq-EVld70?feature=shared&t=112

Yeah I saw that but will they maintain a browser compatible version is another question

Ah, inception compiling. The issue isn't compiling the Monaco editor, but rather will the Monaco editor compile TypeScript 7 in the browser?

That is a good question.