Unreal Engine Issues
Unreal Engine Issues
Virtual Texture does not stream high-resolution data when assigned as a UI material to a widget.
UE - Rendering - Architecture - Mar 23, 2026When a Virtual Texture is applied as a UI material, there is no associated geometry, so it does not explicitly request the loading of high-res virtual texture tiles. ...
Chooser with Gameplay tag as output causes Evaluate Choose to not compile.
UE - MVF Character - Animation - Mar 20, 2026When using a No Primary Result Chooser that contains an FGameplayTag parameter, an Evaluate Chooser node using that chooser will cause a compilation error: LogBlueprint: Error: [AssetLog][PathToPro ...
Nanite Displacement Bounds Mismatch Causes Floating Terrain Artifacts on Landscape
UE - Rendering - Features - Nanite - Mar 19, 2026Summary When Nanite Tessellation (Nanite Displacement) is enabled on a Landscape in UE 5.7.3, scaling the Displacement value via Multiply nodes in the material graph causes floating terrain ghost a ...
Modular rig - Hindleg thigh bug when switching from IK to FK
UE - ACT Character - Control Rig - Mar 16, 2026The thigh FK controller of the hingleg in modular rig doesn't move the thigh bone, causing bad deformation on the mesh around character's thigh area. ...
Cursor radius set via FSlateApplication::SetCursorRadius is ignored during FHittestGrid hit testing
UE - AI Workflows - UI Systems - Slate - Mar 16, 2026The cursor radius configured through FSlateApplication::SetCursorRadius() is not respected during Slate hit testing. The radius value is correctly stored in FSlateApplication and passed into FHittes ...
AnimNode content is not applied during PIE when s.AsyncLoadingThreadEnabled is enabled
UE - Runtime - Anim BP - Mar 16, 2026When the following setting is added to DefaultEngine.ini, the AnimNode content is not applied during PIE execution.[/Script/Engine.EditorStreamingSettings] s.AsyncLoadingThreadEnabled=True If the A ...
Level Instance Property Overrides failing in UWorldPartitionLevelStreamingDynamic::FinalizeRuntimeLevel
UE - Engine Scaling - Streaming - Mar 16, 2026Race conditions when async PCG tasks access ULandscapeInfo objects and ULandscapeInfo::XYtoComponentMap
UE - Graphics Tools - PCG - Core - Mar 12, 2026NDC Sorting Incorrect
UE - Rendering - Architecture - Niagara - Mar 12, 2026Using the new NDC BP nodes in 5.7 causes sorting to break; one system, regardless of world placement, is always drawn over the other. Even when the viewpoint puts the dominant system in the foregrou ...
Distance Field Ambient Occlusion artifacts when using dynamic resolution
UE - Rendering - Features - Mar 12, 2026Distance Field Ambient Occlusion produces artifacts when using Dynamic Resolution at lower framerates. ...