For this to work it would require two things -
Apple shipping proper WebGL2 support without hiding it behind a flag you have to toggle under the advanced settings like you currently have to do.
Epic needs to actually care about WebGL and HTML5 distribution in order for this to work too. They deprecated official support for this platform target back in 4.23 and they haven’t show any signs that they’re interested in bringing it back, sadly.
Our team has been working to compress Unreal binaries so they’re small and lightweight on the GPU, so that they work universally via the browser with mobile being on par with native apps and games. If you’re interested in having it ported to our web based gaming platform, reply here or join or Discord server via this link: The Metaverse