Unreal Engine Issues
Unreal Engine Issues
Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images.
UE - Simulation - Visual - Aug 15, 2024Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images whenever the debris are moving. The client pointed out that the issue might come from GeometryCollectionCom ...
Runtime Virtual Texture (RVT) baked mips using Streaming Virtual Texture (SVT) only bakes the base colour
UE - Graphics Features - Sep 13, 2024Using Streaming Virtual Textures for the lower mips of an RVT using Base Color, Roughness, Normal seemingly leads to both roughness and normal being sampled as 0. This causes a significant shading a ...
Foliage mode instances not rendered until mouse up
UE - World Creation - Worldbuilding Tools - Foliage - Oct 30, 2024New foliage is not visible when applying the paint tool and only shows up after the painting ends. ...
Fatal error when creating listen server on an instance with a PendingNetGame
UE - Networking - Apr 28, 2025This seems to occur because the PendingNetGame is not destroyed when the instance browses to the new level to start listening. In UEngine::LoadMap, UWorld::SetGameMode will create the game mode, pro ...
Using multiple SceneCapture2D with DLSS Enabled crashes UE
UE - Graphics Features - Nov 22, 2024A licensee is reporting a crash (or rather a check fail) in Sceneview.cpp which happens with when a SceneCapture2D is used with DLSS enabled. He has a fix, and wants to share it with us for integrat ...
heterogeneous volumes SkyLight VolScatter Intensity not working
UE - Niagara - Rendering - Jul 23, 2025Heterogeneous Volumes do not respect the Volumetric Scattering Intensity values when running with Lumen, but do (correctly) when rendering with the Path Tracer. ...
Interchange framework is bypassed on the second attempt after a failed import
UE - Editor - Content Pipeline - Import and Export - Jul 14, 2025Hello! We have encountered a bug with the Interchange pipeline. When an interchange texture import is cancelled due to non-power of 2, and then the same texture is imported again without any change ...
Spline mesh deform breaks WPO when used with Nanite meshes
UE - Graphics Features - Nanite - Oct 13, 2025Nanite spline meshes deforming along the world normal vector do not use the same world normal as a non-Nanite spline mesh. This results in inconsistent behavior between Nanite and non-Nanite spline ...
Editor window changes size each time the same project is opened
Tools - Apr 6, 2015The editor window is slightly bigger each time you open the same project. This doesn't persist over to any other project. I also checked in 4.8 from p4, this also occurs in: 4.8 /UE4/Promoted-CL ...
Asset with child actor component (documentation actor) crashes upon level load
UE - Gameplay - Jan 18, 2016Adding a child actor component of type Documentation Actor to a blueprint, then adding that blueprint to a level and saving will cause the editor to crash upon re-opening the map. CrashReporter: N ...