Unreal Engine Issues

Crash when BP_LightStage SkyLight Cubemap Resolution changed by spinning value

Engine crashes when the value in the Cubemap Resolution for the SkyLight component in the BP_LightStage is changed by spinning the value. This asset is found within the Advanced_Lighting map of a B ...

//UE4/Release-4.19 Binary stalls opening Project Browser at 45% - XGEControlWorker.exe is not recognized

The editor stalls out at 45% while opening to the project browser. This is occurring on machines with Windows 7 and 10. I tried using VS attach to process but it didn't provide very much. Opening th ...

Virtual Bone effect is lost after re-importing mesh

After setting up a Virtual Bone on the skeleton and having it drive a Skeletal Control Node in an Animation Blueprint. Reimporting the skeletal mesh will cause the setup in the Anim BP to revert bac ...

VR Splash screen delta rotation does not appear to update

When using the node Add Loading Splash Screen the delta rotation does not appear to update/rotate the texture that is applied as the tool tip appears to suggest ("(in)" Incremental rotation, that is ...

4.23 UpdateGrass took twice time than 4.22

UMG Crashes When Using "Create Dynamic Material Instance" With An Optional Name Twice

When using an Optional Name parameter in Create Dynamic Material Instance while using the same Optional Name twice in UMG the engine crashes. I have tested this in a actor blueprint that applies th ...

Volumetric Translucent Shadow not showing in game mode

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

Crash editing Transition Logic after deleting State and Transition in State Machine

Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...

GPU Timeout when using a large scale Landscape and Water Body Ocean

Regression: Tested in //UE5/Release-5.0, this issue does not occur so regression is yes. The GPU Timeout only occurs in UE5/Release-5.1, as recreating this issue in previous versions of the editor ...

Niagara Parameters window resets when clicking in a Scratch Module

Regression: The UI for the Parameters window in a Niagara System is different from UE5/Release-5.0 to UE5/Release-5.1, so the issue cannot be replicated in Release-5.0 This issue occurs when going ...