Unreal Engine Issues

Spline blueprints cause negative values in Scene Outliner until build pressed again

Moving a spline mesh in the viewport causes negative values to be applied in the scene outliner actor count until the level is built again. ...

LIVE: Crash when stopping simulation after using Keep Simulation Changes feature.

A user is experiencing a crash when using the "Keep Simulation Changes" feature in the Editor after running a simulation of their project. The user allows the simulation to run briefly before pressi ...

LIVE: C++ Actors cannot be duplicated if component has spaces in name.

If a Component of an actor has a space in its text, it will not correctly render that component when duplicated in the editor viewport. If the spaces are taken out of the text, the actor renders as ...

Custom lighting channels ignored when object culled in stereoscopic

When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...

Initial Color Vector Parameter cannot be set for GPU Particles

GPU particles will not take a changing input from Initial Color when using a Vector Parameter to control through a blueprint. ...

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. ...