Unreal Engine Issues
Unreal Engine Issues
Directx12 crashes with OOM
UE - Graphics Features - May 7, 2018In editor, when running a task that does not issue a BeginFrame/EndFrame for a long time, the GPU will eventually run out of memory. See UDN: https://udn.unrealengine.com/questions/431450/directx1 ...
Investigate state of embedded and dynamic framework support on iOS
UE - Platform - Apple - Jun 5, 2020Licensee reports it's not possible to use the dynamic framework used by the latest release of the iOS version BugFender - [Link Removed] Licensee bug report: : https://github.com/bugfender/Bugfende ...
Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM
UE - AI - Navigation - Oct 24, 2023HISM is generated by ConstructionScript Actor is placed on the level and navmesh is generated on top of HISM. In UE5.2, the navmesh was generated without splitting on the HISM. In UE5.3, a break occ ...
GeometryCollectionActor SetSimulatePhysics false does not stop Physics Simulation
UE - Simulation - Physics - Nov 28, 2024If the GeometryCollectionActor (GCA) is simulating physics, calling SetSimulatePhysics(false) does not stop the simulation. If the simulation is paused, calling SetSimulatePhysics(true) does as expe ...
Error Saving Project When Adding an "InstancedStaticMeshComponent" to A Static Mesh Actor Blueprint
UE - Gameplay - Blueprint - Mar 8, 2016When trying to Save a Project after Adding an "InstancedStaticMeshComponent" to A Static Mesh Actor Blueprint, user experiences an Error Message: “…Graph is linked to private object(s) in an extern ...
When importing static mesh using interchange and collision is generated, the asset does not have Collision Generated set to true
UE - Editor - Content Pipeline - Import and Export - May 19, 2025Context: The Interchange Framework is Unreal Engine's import and export framework. When importing a mesh without collision, collision can be auto-generated. Problem: The problem is when importing s ...
ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO
UE - Simulation - Physics - Apr 28, 2025As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...
Static meshes viewed in the static mesh editor in orthographic side view are becoming white after a couple of seconds when quality preset is maximum.
UE - Rendering Architecture - Jun 18, 2025Context: Orthographic views are used to have a 2D view of a 3D object providing precise control over object placement and alignment. This can be used for projects like isometric games and architectu ...
Extremely long Spline Point will cause the editor to lose FPS
Tools - Nov 13, 2015Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...
Copying and pasting a component inside of an actor blueprint that has be duplicated and then added to the scene will prevent saving
UE - Gameplay - Blueprint - Mar 18, 2015If a user copies and pastes a component that is inside of an actor blueprint that has been duplicated and then the user adds this new actor blueprint to the scene it will prevent the user from being ...