Yes, it works! I saved the file via io.save() to “data/res.zip” and mounted it as “zip:/data/res.zip”.
And I can state that the new LiveUpdate API works much much more reliable than legacy API. That’s why I closed this issue.
So, very soon ResZip will be just an example of using LiveUpdate
P.S. It would be awesome to address this feature request - Report progress for http.request calls · Issue #6486 · defold/defold · GitHub.