Unreal Engine Issues
Unreal Engine Issues
Material Editor Viewport does not display World Position Offset
UE - Rendering - Graphics Features - Mar 19, 2026The preview Viewport in the Material Editor does not correctly render World Position Offset. It appears that the RenderVelocities pass (which is also drawing the depth for the preview sphere) does ...
Deleting a spline point of a spline blueprint then moving crashes editor
Tools - Jul 7, 2015If you delete an end point of a spline blueprint and then attempt to move the blueprint the editor will freeze and eventually crash. Frequency: 1/1 CrashReporter: [Link Removed] ...
Editor Crashes when compiling a 3d widget after adding array variable
UE - Editor - UI Systems - Feb 23, 2015Editor crashes when user adds array variable (any type) to a 3d widget that is used within a blueprint actor and then compiles the widget. Frequency: 4/4 Crash Reporter: [Link Removed] ...
Landscape does not conform to splines correctly
UE - LD & Modeling - Terrain - Landscape - Feb 20, 2015When attempting to deform a landscape to landscape splines, the landscape often does not correctly conform to the spline and will appear through portions of the spline or the spline will "float" abo ...
The Ease function's Blend Exp reverts to its default value after closing/reopening the editor
UE - Gameplay - Blueprint - Jan 20, 2015The Ease function's Blend Exp reverts to its default value after closing/reopening the editor. Reproduced in 4.6.1 binary and in Main (CL-2408355). ...
Physics object set to OverlapAll will still collide with the player
UE - Gameplay - Aug 24, 2015Physics object set to OverlapAll will still collide with the player User Description: The pawn is simply colliding with and causing physics on objects it shouldn't be. To replicate: Set up a new ...
NotBoolean node is broken in specific projects for State Machine Transitions
OLD - Anim - Oct 14, 2015In the attached project, you'll find the NewChar_AnimBP. In the state machine, there is a "NotBoolean" node in the JumpingToFallingLoop transition that appears to be broken. At first, the NotBoo ...
Root Motion Not Working with Multiple Slots
OLD - Anim - Jul 27, 2015When a montage containing two slots each containing animations with root motion is played in editor: When the first slot selected, root motion functions properly with the animation. When the sec ...
Foliage Instanced Static Meshes disappear when FISM Component BP is compiled
UE - World Creation - Worldbuilding Tools - Foliage - Nov 10, 2017This bug removes foliage from a level when the Component Blueprint is compiled. Switching the Foliage type asset to another component will cause the issue to stop occurring. The Component Blueprint ...
Show 3D Widget for vector variable in a blueprint component does not correctly appear in blueprint viewport when implemented
UE - Gameplay - Blueprint - Aug 6, 2015Setting a vector variable to editable and showing a 3D widget within a blueprint actor component does not show the 3d widget within a blueprint implementing the component. ...