Split Pins on a referenced Macro Library will crash the editor on restart

UE - Gameplay - Blueprint - Mar 3, 2016

Split Pins on a referenced Macro Library will crash the editor on restart 2 callstacks include, one for 4.10.4 and one for 4.11 Preview 6 User Description: I got some macros in my Object Macro Li ...

Camera Rotation Stays locked in Place after Ejecting the Player Controller

Tools - Jul 14, 2015

Camera Rotation Stays locked in place after Ejecting the Player Controller so that even when PIE is stopped the camera position stays locked in it's rotated position rather than returning back to no ...

Crash When Toggling Visibility of Level with Planar Reflection

UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018

This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...

The base color of a material in unlit mode changes when specular amount is above 0.0

UE - Graphics Features - Feb 24, 2020

Material's RGB base color values are changed in Unlit mode when specular is greater than 0.  User repro video:  [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...

World Partition Editor minimap build failed

UE - World Creation - Worldbuilding Tools - Aug 10, 2023

The issue was reproduced when building a minimap for an open world level with no Actors with "Is Spatially Loaded" enabled. Placing additional Actors with "Is Spatially Loaded" enabled in the level ...

Single sided complex collision mesh collision blocks character movement from backside

UE - Simulation - Physics - Query - Nov 17, 2023

Commenting out the branch in FTriangleMeshSweepVisitor::VisitSweep is a work-around.if (CullsBackFaceSweepsCode != 0) { if (VectorMaskBits(IsBackFace)) { // Don't cull the back face ...

Color Picker always select sRGB color space even when toggled off

Tools - Jan 9, 2015

The Color Picker is showing a difference in color space when toggling the sRGB setting, but the final resultant color is always the sRGB true color. ...

Disabling collision of an actor after an overlap event will cause the event to fire twice

UE - Gameplay - Sep 3, 2015

Disabling collision of an actor after an overlap event will cause the event to fire twice This is working properly in 4.10-2674146 User Description: Calling on "Set Actor EnableCollision" or "Set ...