Unreal Engine Issues

Crash When Toggling Visibility of Level with Planar Reflection

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

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 ...

Streaming a Widget Class with Remote UMG displays the NO SIGNAL slate on remote devices

Layered blend per bone node with blend mask setting in an animation BP will not work after restarting UE editor, until recompiling the anim BP manually.

World Partition Editor minimap build failed

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

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

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

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 ...

Teleport node sets the movement mode for a pawn back to default

Teleport node sets the movement mode for a pawn back to default. The current movement is overridden by the default after using teleport node ...

Crash in FBlueprintActionMenuBuilder while editing blueprints

Note those are not 100% repro steps they are what I remember doing. I've got this issue twice so far and both times I was editing a blueprint and switching between constructions script and event gr ...