Unreal Engine Issues

[CrashReport] UE4Editor_Engine!ULevel::GetWorldSettings() [level.cpp:1643]

This is a common and longstanding crash that has occurred since at least 4.12. User descriptions cover a variety of actions. User DescriptionsCompiling a playerblueprint with firing logic and advan ...

Groom Hair Visual Issue with RBF Interpolation Enabled

When "RBF Interpolation" is enabled in the Groom settings, applying an Animation Sequence to a Skeletal Mesh that animates at a position far from the world origin causes the bound Groom shape to bec ...

Scene Capture 2D will default back to View 0

The scene capture will revert back to the Character BP that is placed in the level when player 2 is not moving. When they are moving the scene captuer will show correctly. You can get around this ...

[CrashReport] UE4Editor_ShaderCore!FShader::GetVertexShader() [shader.h:568]

This is a common and longstanding crash that has occurred since at least 4.16 User DescriptionsTrying to paint my new sandtexture onto the terrainOpened the material editor by double clicking a mat ...

Default value propagation of instance subobjects doesn't work consistently

Physics constraint component doesn't work when placed inside a child actor, while using world partition and streaming is enabled

Context: In a World partition level, to reduce complexity and provide a scalable solution when creating new projects, grid cell streaming can be enabled. Problem: The problem is that physics constr ...

EDITOR: LIVE: CRASH: Reroute nodes can cause a loop that freezes the editor.

Branch Build Label UE4-Main Promoted-CL-2230001 DESCRIPTION: If reroute nodes are used to make a loop, the editor will not catch it and the loop will freeze the editor. ADDITIONAL NOTES: Creatin ...

LineTraceSingleByChannel does not correctly use the collision response set for the channel being traced on

There appears to be an issue with how raycasts are performed within PxScene. When performing the trace, only the collision response for the first ECollisionChannel seems to be considered. If all col ...

Existing widget name error from rejected widget object.

Rejected widget object for paste action from other widget somehow remains in the widget editor making name conflict for other widgets. ...

FileSystemDerivedDataBackend may output a corrupted access log

This problem is caused by the AccessLogWriter has not been flushed at the termination. The following workaround flushes the Writer.class FFileSystemDerivedDataBackend : public FDerivedDataBackendInt ...