UI Plugins
| Plugin |
Type |
Purpose |
| UMG (Unreal Motion Graphics) |
Built-in ★ |
The default UI |
| Common UI |
Built-in ★ |
Input routing, focus, controller-friendly stack |
| Slate |
Built-in |
Low-level UI framework (UMG sits on it) |
| Web Browser |
Built-in |
CEF browser widget |
| Web Browser Widget |
Built-in |
UMG wrapper for above |
| WebUI |
Community ★ |
Modern CEF — render-to-material, HTML/CSS/JS UI |
| Ultralight UE |
Community |
Lightweight HTML/JS UI (low memory) |
| Coherent Gameface |
Marketplace |
AAA HTML/CSS/JS UI |
| UI Toolkit (legacy) |
— |
Replaced by UMG; ignore |
Choosing the web layer
| Choice |
Pros |
Cons |
| Built-in Web Browser |
Free, easy |
Older CEF; no render-to-material |
| WebUI |
Free, modern, render-to-material |
Community-maintained |
| Ultralight |
Low RAM |
License cost; limited WebGL |
| Coherent Gameface |
AAA-grade |
Enterprise pricing |
See Widget Blueprint and Workflows → three.js.