It is not currently possible to debug a session for custom HTML UI session.
According to the GameFace documentation https://coherent-labs.com/Documentation/cpp-gameface/d4/d28/inspector.html
When enabled, there should be a TCP port accessible, however according to the Resource Monitor no TCP ports are open, even when an add-on with a custom UI is running.
[media]I am running CheckNetIsolation as requested by GameFace's documentation
[media]
Cleaning up old tickets: This ticket has not been updated recently (~1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
Quick Links:
📓 Issue Guidelines – 💬 Mojang Support – 📧 Suggestions – 📖 Minecraft Wiki