Unreal Engine Issues

Paint Mode button options disappear when toggling on "Use Small Tool Bar Icons" in the User Interface

When toggling on the "Use Small Tool Bar Icons" under the User Interface settings, the button options that sit directly under the Colors, Weights, and Textures options in Paint mode disappear. Thi ...

Project Version setting not reflected in a project's packaged executable's property details

When a Project Version value has been specified in the Project Settings, this value is not set into either the File Version value or the Product Version value in a packaged game. The File Version va ...

Performance issues when a Render target is added to Spectator screen (VR) in a packaged game

Performance issues when a Render target is added to Spectator screen (VR) in a packaged game ...

HLOD CalculateOverlap crashes when spheres barely overlap

The engine will crash when cluster bounds barely overlap. ...

TMap entries are removed on Blueprint compile when using struct as key

Map entries are removed on Blueprint compile when using struct as key.  ...

'Particle Position', 'Particle Time' and 'Particle Random' material nodes not supported on mobile

ExtendDefaultLuminanceRange causes black rendering on Mobile renderer

Calling a native interface function implemented by a non-nativized Blueprint asset from a nativized Blueprint asset will silently fail at runtime.

In the sample project we have a Widget Blueprint asset (SomeWidget) that implements a native interface (PrintSomethingInterface.h). However, in the DefaultEditor.ini file, we've also excluded all Wi ...

Staticmesh "Reimport+LODs" do not recover the material ID for custom LOD

Normal voice chat does not activate the microphone when Mic Threshold is zero

Voice chat does not work when speaking into the microphone with a normal voice and a Mic Threshold of 0. We have to blow into the microphone or speak loudly for voice chat to work. ...