DEF_UI and HUD Frameworks - posted in Fallout 4 Mod Troubleshooting: Hey guys I have a little problem to get hud frameworks working with DEF_UI.This approach assures maximum compatibility with uGUI, best performance and makes the entire system behave in a predictable manner. It does that by manipulating native Unity components and taking full advantage of their intended usage. DoozyUI is a complete User Interface (UI) management system for Unity.