They are?
https://www.google.com/search?q=webgpu+unreal+engine
The top result there is a third party trying to achieve this. Not Epic themselves.
https://www.google.com/search?q=webgpu+unreal+engine
The top result there is a third party trying to achieve this. Not Epic themselves.
It's not that much different from Vulkan.
I got the impression the HTML5 with WebGL platform was removed at least partly to minimize the scope of work with some of the large renderer changes Epic has made between 4.26 and 5. So now does seem like the right time for them to try to tackle the problem again.