Unreal Engine Issues
Unreal Engine Issues
Physics Thruster has no effect on destruction mesh
UE - Simulation - Physics - Destruction - Apr 13, 2015Physics Thruster actor does not affect destruction meshes that it is attached to. ...
[CrashReport] Crash on Linux - FShaderCompilingManager::LaunchWorker()
UE - Graphics Features - Jul 14, 2017This is a common crash affecting users on Linux. No additional information is available. ...
"StaticFindFirstObject: Ambiguous object name" on delegates with timelines in packed level actors
UE - World Creation - Worldbuilding Tools - Level Instances - Jan 31, 2024LOD ScreenSize per platform is not reflected in the mobile preview
UE - Platform - Mobile - Jan 31, 2023in 5.0 or 5.1, MinimumLOD per platform can be previewed in the mobile ES3.1 preview mode, but It seems that the LOD ScreenSize per platform is not reflected in the mobile preview. ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...
Gameplay Tags Can't Be Edited Via "Bulk Edit via Property Matrix"
Tools - Dec 25, 2019You can't edit a gameplay tag when you bulk edit via the property matrix. Found in 4.23.1 CL#10757647 Reproduced in 4.24.1 CL# 107567474.25 Main CL#10868506 ...
Division by zero causing NaN/Inf on USkeletalMeshComponent::UpdateRigidBodyScaling() when setting scale to zero and back
UE - Simulation - Core - Feb 11, 2026Up to UE 5.5, skeletal mesh physics did not get updated when the component's scale changed. This was improved on January 2025 with CL 39190335, which addressed [Link Removed] ...
[CrashReport] UE4Editor-CoreUObject!UObject::SetLinker(FLinkerLoad *,int,bool) [UObjectLinker.cpp:107]
UE - Foundation - Core - May 13, 2019Comment from user in crash group:I updated unreal engine to 4.22.1 and changed the project version from 4.21.2 to 4.22.1 and now it crash whenever i open a map Generated from CrashReporter ...
Decals Normal only + Material Attributes
UE - Rendering - Graphics Features - Mar 24, 2023This does not just work with BaseColor, you can affect any of the outputs by connecting something to a disconnected CreateMaterialAttributes. ...
Unwanted black boundaries are displayed in a vertical split-screen with 3 players.
UE - Gameplay - Dec 2, 2019Floating point error from UGameViewportClient::SplitscreenInfo causes this issue. FMath::TruncToInt( 3240 /*ViewportSize*/ * 0.333f/*Ratio in SplitScreenInfo*/ ) = 1079 I suggested a following t ...