Focused reference · Unreal Engine 5.8
UE 5.8 primary sources
All links were checked against Epic's UE 5.8 documentation on 2026-07-19.
CommonUI and input
- Common UI
- CommonUI design guidelines
- CommonUI overview
- CommonUI input technical guide
- CommonUI quickstart
- UE 5.8 release notes: unified CommonUI and Enhanced Input
UCommonActivatableWidgetUCommonActivatableWidgetStack
UMG architecture, layout, and performance
- UMG Viewmodel
- UMG optimization guidelines
- Widget Designer team settings
- DPI scaling
- UMG Safe Zones
UUserWidgetUUserWidget::ConstructUListView- Using the Invalidation Box
Scope and maturity notes
- CommonUI is appropriate principally for complex layered and cross-platform interfaces.
- UE 5.8 release notes supersede the stale warning on the older CommonUI-with-Enhanced-Input guide by documenting the unified workflow.
- UMG Viewmodel is marked Beta in UE 5.8.