Is this compatible with Unreal Engine 4.23.3 version?

[arcluster]

I would like to know before starting the process all over again

[nickshinpho]

4.23.3 is the last "officially supported" version for HTML5 from epic.

• https://docs.unrealengine.com/en-US/Support/Builds/ReleaseNotes/4_23/index.html
  • search for HTML5 (should be the 2nd hit) to see the notice