Unreal Engine Issues
Unreal Engine Issues
Memory Leak When Raytracing Enabled with Specific Rendering Settings
UE - Graphics Features - Ray Tracing - Apr 8, 2025When a shipping build is packaged using specific rendering settings a memory leak can be observed. The licensee has noted that this leak presents as a 10MB per hour increase in RAM usage. It has a ...
Changes made to default values in a subobject nested within a subobject are not propagated to child Blueprints
UE - Gameplay - Blueprint - Jul 6, 2018When a Blueprint contains multiple layers of nested subobjects, any subobjects below the top-most layer do not have changes to their properties propagate to child Blueprints. See attached project (c ...
Unable to change collision profile on static mesh component to a specific profile.
UE - Simulation - Physics - Sep 16, 2020Indirect lighting samples incorrect if duplicated levels placed in same persistent level
UE - Graphics Features - Aug 29, 2017Indirect lighting samples were not made correctly when building lighting with umap duplicated via the content browser and registering both source and destination as sublevels in one map. ...
iPadPro2 Splash Screen distortion on app Launch
UE - Platform - Mobile - May 7, 2018iPadPro2 splash screen distorted on app launch. Looks like there is a fix for this in FN branch that can be brought over. Engine/Source/Runtime/ApplicationCore/Private/IOS/IOSAppDelegate.cpp http ...
Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level
UE - World Creation - Worldbuilding Tools - Level Instances - Feb 12, 2025Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level. The licensee has encountered this in Unreal 5.4 and ...
Crash when precaching PSOs for decals from non-game thread
UE - Rendering Architecture - Shaders - Aug 21, 2024During async loading from an AsyncLoading thread, DecalComponent attempts to precache PSOs which can trigger a checkf in StrongObjectPtr.h which are only allowed to be created on a game thread. ...
Missing libomp140 DLL causing crashes in Hair Card Generator plugin
EA Motive has run into a crash when using the hair card generator plugin. A missing DLL is preventing them from creating hair cards according to the initial investigation from their engineers. More ...
Cvars sections in Sequencer behaving incorrectly when using MRQ
UE - Virtual Production - Tools - MRQ - Aug 9, 2023Some key lines in the code:Engine\Source\Runtime\MovieSceneTracks\Private\TrackInstances\MovieSceneCVarTrackInstance.cpp:177 --> Apply CVar when entering sectionEngine\Source\Runtime\MovieSceneTra ...