Unreal Engine Issues

Mouse loses focus after setting show mouse cursor to true and clicking anywhere on screen

If the mouse is toggled to show by using "Set Show Mouse Cursor" and then the user clicks in the window the mouse will lose focus (the camera will no longer freely track the mouse) ...

Editor discarding valid navmesh with world composition

Discrepancy in rendering between Perspective and Orthographic Viewports

Perspective and Orthographic views render differently. Ortho views use a tonemapper with no gamma. ...

Importing User Camera FBX into Matinee in Matinee Fight Scene Crashes (UE4Editor_Renderer!CalculateShadowFadeAlpha())

Importing user provided Camera FBX will crash on closing the Matinee window in Matinee Fight Scene level. I cannot reproduce a crash in a blank project with this asset. Attached: Crash.zip - Inter ...

FAnimMontageInstance needs more API exposure

Users are unable to call most functions on this class (FAnimMontageInstance ), as ENGINE_API is only added to a handful of functions. Other structs in AnimMontage.h may need similar exposure. ...

Chinese Characters causing the Editor to crash when using them in a blueprint

When using Chinese characters in Blueprints, it will almost always see a crash when saving the project and PIE. This only occurs in the 4.6 release build. It does not occur in Main. Crash Report: ...

FadeIn invalidates Audio Components in 4.11

Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled

After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...

Incorrect static lighting on InstancedStaticMeshes

Sometimes instances of an InstancdStaticMeshComponent have an incorrect hue after building static lighting. In the thread, the user provides a repro map ...

Renaming a custom component code class and performing a Hot Reload will cause the Editor to crash when a Blueprint containing an instance of that component class is opened.

Renaming a custom ActorComponent class when that class is set as a component in a Blueprint and performing a Hot Reload will crash the Editor if the Blueprint is opened for editing after the project ...