Unreal Engine Issues
Unreal Engine Issues
Crash when Undo after deleting a Material Layer of a Material Instance.
UE - Rendering Architecture - Materials - Apr 2, 2025In Unreal Engine version 5.5.4, the Editor crashes when performing Undo after deleting a Material Layer of a Material Instance ...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Texture - Apr 2, 2025When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...
Sky Atmosphere Material Nodes not Correctly Represented in the Surface Cache for Nanite Enabled Static Meshes
UE - Graphics Features - Apr 1, 2025When nanite is enabled on a static mesh, lighting contributions from Sky Atmosphere material nodes are not incident on the static mesh and no longer present in the overall lighting of the scene. Th ...
Horde server fails to build Docker image
UE - Foundation - Horde - Server - Apr 1, 2025If you attempt to build the Horde server Docker image right now it fails unless you have some of the layers cached or a nuget proxy/cache that has cached some packages. JetBrains have renamed their ...
Mesh from attached USD fails to import
UE - Editor - Content Pipeline - USD - Mar 31, 2025UDN customer reported this issue: Using legacy USDImporter, the attached USD throws these ensures ensure(Primvar.Get(&UVs, Options.TimeCode)); ensure(Primvar.GetIndices(&Indices, Options.TimeCode) ...
[USD] Reimport change reference to transient
UE - Editor - Content Pipeline - Import and Export - Mar 31, 2025https://forums.unrealengine.com/t/usd-reimport-changes-referencers-to-transient/2421831 ...
Excessive RVT page updates with Nanite and ClearCoat or Cloth shading model applied
UE - Rendering Architecture - Mar 31, 2025There is an excessive number of page updates when a Nanite landscape has a runtime virtual texture material applied to it with a shading model set to ClearCoat or Cloth (instead of Default Lit). The ...
When adding a MovieSceneObjectPropertyTrack and section via python, the new track is not initialized.
UE - Anim - Sequencer - Mar 28, 2025When you add a track for an Object property via python, the track does not initialize properly and the widget on the track for choosing a new object does not populate typed. This is even after setti ...
Light function does not work with volumetric fog when not compatible with light atlas
UE - Graphics Features - Mar 28, 2025Light functions do not work as intended with volumetric fog when using clamped mask textures which are not compatible with the light function atlas. In light functions materials, when using any UV ...
Skeleton mesh with hair strands material will lead to unnecessary draw call submissions
UE - Graphics Features - Mar 27, 2025Materials with "Used With Hair Strands" enabled will cause Skeletal Meshes to draw twice in the Base Pass. ...