Unreal Engine Issues
Unreal Engine Issues
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 ...
Billboard Component Flickers Between Textures When Using Set Sprite Node
UE - Graphics Features - Nov 8, 2018When using a Set Sprite node with a billboard component, the texture assigned will flicker between the two possible textures. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4541578, 4.2 ...
Editor Unable to Find Mali Offline Compiler On Mac
UE - Platform - Mobile - Dec 7, 2018Material Editor is unable to find the Mali Offline Compiler on Mac. This inhibits you from looking at platform stats for Android. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538, ...
Gameplay windows from Standalone do not remember their positions properly when there are multiple windows
Tools - Jan 23, 2019The position of game windows from Standalone Game mode are not saved properly when multiple windows are used. The placement of the windows upon the next launch ends up placing all of the windows on ...
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 ...
Vulkan crash on Android when suspending and resuming app
UE - Platform - Mobile - Sep 27, 2016Custom Output node added to a Material Editor Crashes Editor
UE - Graphics Features - Jun 16, 2015Adding a Custom Output node to a Material Graph crashes the editor. Also Reproduced in Main Promotable-CL-2581018 [Link Removed] ...