Unreal Engine Issues
Unreal Engine Issues
Crashes occur when executing MRQ while adding UMG with RetainerBox.
UE - Editor - UI Systems - Slate - Sep 9, 2025Create an asset containing a RetainerBox in UMG, then add the created UMG to the viewport using AddViewport. Running MRQ after this causes a crash. ...
Crashing when toggling maps containing Color Correct Regions
UE - Virtual Production - Rendering - Color - Nov 19, 2024When maps with Color Correct Regions are streamed into another map have their visibility toggled during runtime, it will cause a memory access violation and crash the editor. ...
Crash when load the levelinstance what is set "LevelBehavior=Standalone" in the stanadalone game
UE - World Creation - Worldbuilding Tools - Level Instances - Jul 16, 2024A crash occurs when LevelInstance with LevelBehavior set to "Standalone" is loaded in a standalone game. Specifically, when LevelInstance is deleted by moving outside the loading range of the worldp ...
Investigate crash with replication nested ever changing attachments
UE - Networking - May 7, 2024There seems to be an issue with replicated attachments ending up causing cyclical setups resulting in crash on clients. It was reported for 5.2 but even after patching up code it seems to occur. ...
Crash when changing an actor's variable type from vector to transform
UE - Framework - LWC - Oct 25, 2022It looks like this is some fallout from CL 19405683. If we change a variable from vector to transform, it'll pass this check:if(Tag.StructName == NAME_Transform) { Struct->SerializeTaggedProp ...
Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs
UE - Graphics Features - Lumen - Jul 29, 2025Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...
Crash handling: Prevent reports of assertions during shutdown after an assertion
UE - CoreTech - Aug 8, 2024CriticalErrors in FWindowsErrorOutputDevice::Serialize (and other platforms) run some code after the error is detected rather than immediately terminating the process. Some of this other code is spe ...
Crash when createing a Landscape and the DisasterRecoveryClient plugin is enabled. In the editor appears as Recovery Hub.
When DistasterRecoveryClient (in editor called RecoveryHub) plugin is added to the project and the user creates a Landscape, a crash occurs. ...
Crash when applying Post Process SceneTexture and VertexInterpolator as emissive color
UE - Rendering Architecture - Materials - Jun 22, 2021When selecting apply after connecting a Post Process SceneTexture and a VertexInterpolator into the emissive color node a crash occurs. This issue is occurring in Binary //UE5/Release-5.0-EarlyAcce ...
Undo change to Rest Offset causing crash in Static Mesh Editor
UE - Simulation - Physics - Editor - Aug 8, 2023When undoing any change to Rest Offset for a collision mesh the engine will crash. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binary //UE5/Release- ...