Unreal Engine Issues
Unreal Engine Issues
Mac - Content Browser menus are dismissed when using them while toasts are running
UE - Platform - Apple - Sep 30, 2017REGRESSION: Yes, this does not occur in 4.17.2 If the user is using any of the Content Browser menus while there's an active toast, the menu will suddenly be dismissed. It appears to get dismissed ...
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 ...
Mac - Toasts hide behind the editor when dismissing the right-click menu in the Content Browser
UE - Platform - Apple - Oct 4, 2017REGRESSION: Yes, this does not occur in 4.17 When the user dismisses the right-click menu in the Content Browser, any active toasts will suddenly become hidden behind the editor window. Only when ...
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 ...
Enabling Wireframe Mode along with HDR (EyeAdaptation) Visualization crashes the Editor
UE - Graphics Features - May 29, 2025In the Viewport, enabling Wireframe Mode (ALT+2) along with HDR (EyeAdaptation) Visualization crashes the Editor. I've tested different versions and this issue is not present on 5.0, but it reproduc ...