Features:

Transparent window background using DWM alpha channel; make your Unreal Engine app float over the desktop with a fully transparent background
Per-pixel click-through hit testing; mouse events pass through transparent areas and are captured on visible areas
Global input detection system-wide even without window focus with a bindable Blueprint delegate
Child window system; spawn independent OS-level transparent windows populated with UMG widgets
Manual window drag and positioning; drag the app window anywhere on screen including across multiple monitors
System tray support; minimize the app to the Windows notification area

Code Modules:

Number of Blueprints: 7

Number of C++ Classes: 4

Network Replicated: No

Supported Development Platforms:

Supported Target Build Platforms: Windows 64-bit

Documentation Link: Documentation

Important/Additional Notes:

Requires DirectX 11. DirectX 12, Lumen, and TSR are not supported.
Requires r.D3D11.UseAllowTearing=0 in DefaultEngine.ini and Alpha Output enabled in Project Settings.
Does not work in Play-In-Editor (PIE). Testing requires Standalone Game or packaged build.
Anti-aliasing should be set to None or FXAA to avoid edge flickering on transparent window borders.

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