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Unity UI Toolkit vs UI Elements

June 14, 2021•Updated Feb 17, 2026

UI Toolkit is the latest UI system for Unity.

UI Toolkit vs UI Elements comparison:

FeatureUI ToolkitUI Elements
PerformanceBetterLegacy
StylingCSS-likeUXML
InspectorModernLegacy

To create UI with UI Toolkit:

  1. Create a UI Document (UXML file)
  2. Add UI controls to the UXML
  3. Style the UI using USS (Unity Style Sheets)
  4. Bind the UI to C# scripts using the UIDocument component

UI Toolkit is recommended for new projects.