Landscape nanite height mismatch

UE - Graphics Tools - Terrain - Landscape - Oct 17, 2023

From licensee: The height of Nanite rendered landscape does not match the height of non-nanite landscape. The error gets worse if you increase the Z Scale of the landscape actor. Our project rec ...

SetActorLabel resets components when run outside main editor process

Tools - Mar 30, 2015

Calling SetActorLabel causes an actor's components to return to default states when called from a client accessing a listen server outside of main editor process. Note: User posted code linked to ...

Playing audio files in Editor doesn't work when Magic Leap Zero Iteration is enabled

UE - Platform - XR - Jun 14, 2020

When the "Enable Zero Iteration" and "Use ML Audio for Zero Iteration" settings are both checked, the audio doesn't play inside Unreal Editor. This happens in the following cases:Playing an audio fi ...

Crash Occurs When Attempting to Resume Execution After Hitting a Breakpoint in a BT Task

UE - Gameplay - Oct 6, 2017

When a breakpoint is hit in a BT Task, if you attempt to use CTRL+P to search for and open the BT the task is being run in, try to resume execution, and then return to the original BT Task Blueprint ...

MaterialTextureScale calculated incorrectly for materials with WorldPositionOffset

UE - Rendering - Architecture - Materials - Apr 16, 2024

When a Material uses WorldPositionOffset, the MaterialTextureScale is calculated incorrectly because FMaterialUtilities::ExportMaterialUVDensities() calls FMeshRenderer::RenderMaterialTexCoordScales ...

[CrashReport] UE4Editor_MaterialEditor!FMaterialEditor::OnCanPromoteToParameter()

UE - Rendering - Architecture - Materials - Jun 27, 2017

This is a common crash in the 4.16 release. It seems related to creating a parameter in the Material Editor, however users have not provided any descriptions so additional information is not current ...

Camera Movement is laggy while the mouse button is held down and ShowMouseCursor is enabled if there are AI moving

UE - Gameplay - Dec 15, 2015

Camera Movement is laggy while the mouse button is held down and ShowMouseCursor is enabled if there are AI moving. Stat Scene Rendering didn't show any jumps while moving the camera under these cir ...

Fail to compile with Added AIController class

UE - Foundation - Core - Jan 14, 2015

User fails to compile code template after adding AIController code to project. Regression: Not a regression happens in 4.6.1 CL-2386410 Setting up Mono Building MyProjectEditor... Compiling game m ...

The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset

UE - Simulation - Physics - Dec 9, 2016

The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset. You can manually rotate the PhysicsConstraint and it will rotate the AngularLimit visualizer, howe ...

Scaling snap for selected object are reset to the origin of the scale pivot location

Tools - Apr 27, 2016

When scaling multiple selected actors in the scene with snap enabled the actors will reposition to the pivot origin of the last selected actor in the group when going down to a value of 0 or a negat ...