Unreal Engine Issues

Crash when running build with an Automation Test

Licensee is trying to run an Automation Test from Blueprint in a packaged build. When the exe is launched it crashes with a fatal error. ...

Duplicating Interface functions causes the Input/Output values to duplicate twice

When duplicating an Interface function, the values for Input/Output are doubled or tripled. ...

[Feature Request] Support Lighting Channels for Skylights

Lighting channels for skylights would help for streaming levels that include both outdoor and indoor environments. https://forums.unrealengine.com/development-discussion/rendering/78203-lighting-ch ...

Allow having TArray with index size using 64 bits instead of 32 bits

With the geometry data getting bigger and bigger we hit more often the int32 limits of the default TArray. All geometry data is store in array so we cannot have more then 2GB of vertexinstances or t ...

GetVoiceData() uninitializes VoiceCapture and returns no data

Using GetVoiceData causes VoiceCapture to become uninitialized and it is currently not possible to get voice data this way. Regression?: Yes This did not occur in 4.18 This occurs in 4.19 ...

FMovieSceneTrackCompilerArgs :: DefaultCompletionMode Becomes Undefined Value Using Add New Camera and CameraCut Button of Sequencer

FMovieSceneTrackCompilerArgs::DefaultCompletionMode is undefined value in UMovieSceneTrack::Compile if using add new camera and cameracut button of sequencer. When creating another track, processin ...

"motion controller component" visualization gets too big/small when world to meters scale changes

"motion controller component" visualization gets too big/small when world to meters scale changes. The controllers should always look the same as they do in your hands, so we should scale the meshe ...

Collision properties of a component cannot be changed in Viewport

When using any collision preset other than QuerryOnly, the collision properties cannot be changed when the actor is in the Viewport. ...

Material Vertex Interpolator with a scalar output is replaced by MCT_Float1 in the output translation which can cause arithmetic errors

Tiled Landscape LOD doesn't work with World Origin Rebasing

Using the Landscape LOD system with World Origin Rebasing causes the LODs on the landscape to mess up. This only appears with imported tiled landscape where the main actor is in the persistent level ...