Unreal Engine Issues
Unreal Engine Issues
Crash attempting to drive a Pawn with no torque
UE - Simulation - Physics - Oct 24, 2016Crash occurs when the user attempts to drive a non-Vehicle pawn (using a Vehicle Wheel Movement component) with the Torque Curve flattened to 0. I was not able to reproduce this crash when I tried ...
Expose 'WorldUp' direction for CableComponents
UE - Gameplay - Oct 13, 2015When the Cable component is set to specific rotations it will no longer render the cable actor that is attached to a mesh. Image is attached with multiple setups. Workaround to get it to render: ...
DataAssets with a field called "Name" can cause multiple Name columns to appear in the content browser
UE - Editor - Content Pipeline - Content Browser - Jul 18, 2017A DataAsset with a FText property called "Name" will confuse the content browser, causing it to create a new column each time the folder containing the DataAsset is entered. This appears to be a cor ...
Lightmass crashes when lighting is built with material that has "Cast Shadow as Masked"
UE - Graphics Features - Oct 4, 2017Lightmass is crashing when using a material that has "Cast Shadow as Masked" set to true in its properties. Found in 4.18 P3 CL#3676890 Unable to reproduce in 4.16.3 CL# 3561208 and 4.17.2 CL#365 ...
AssetManager does not correctly call delegates if bShouldUseSynchronousLoad is true
UE - Gameplay - Oct 3, 2018There's a bug in UAssetManager::LoadAssetList where the passed in DelegateToCall is not being called in the bShouldUseSynchronousLoad case. This can cause gameplay logic to fail when that bool is tr ...
Copy+Paste with custom widget seems to "break link" with default values
UE - Editor - UI Systems - Nov 8, 2018It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...
A SoftPathObject as an input parameter referenced by a Blueprint Node didn't cook out
UE - Gameplay - Blueprint Compiler - Jul 27, 2019The input paramter is a type of UEdGraphPin. The PinType.PinCategory can be softobject or softclass, and the reference path is saved in a paramter named DefaultValue of UEdGraphPin.The DefaultValue ...
FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output TCHAR parameter
UE - Foundation - Core - Oct 30, 2019FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output the message passed to it. Found in 4.23 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24.0 CL#9892386, 4.25 Main CL#9892271 ...
Crash occurs when a Const Vector 4 and a Screen Position node are passed into a LERP then connected to the Result Node
UE - Rendering Architecture - Materials - Oct 13, 2022Tested in: //UE5/Release-5.1 CL22346211 Crashed with Assertion //UE5/Release-5.0 CL20979098 Crashed with Assertion Crash occurs when a Constant Vector 4 and a Screen Position node are passed into a ...