Unreal Engine Issues
Unreal Engine Issues
When typing Korean in Slate using FTextInputMethodContext, characters outside a specific range are not entered
UE - AI Workflows - UI Systems - Slate - Apr 7, 2026Descriptions After getting the below message LogTextStoreACP: Verbose: GetTextExt - From 33 to 34 A line break past that range is inserted. However, when typing Korean, the correct range is not s ...
StableSpringsSystem has lots of warnings
UE - Runtime - Deformable - Apr 6, 2026System successfully compiled with 16 warnings. /Engine/Generated/NiagaraEmitterInstance.ush:2732:250: note: variable 'OutMaterialMultiplier' is declared here void SolveDistanceSpringMaterial_Emitter ...
[Enhanced Input] Edge case where bShouldBeIgnored incorrectly being reset after FlushPressedKeys is called
UE - Gameplay - Input - Apr 2, 2026[Link Removed] From UDN, the steps for their repro case: Normal case: Frame N : AddMappingContext → bShouldBeIgnored=true → FlushPressedKeys → bDown=false Frame N+1: OS IE_Repeat arrives → ...
Trying to view transient skeletal merged mesh crashes engine
UE - Runtime - Deformable - Mar 31, 2026Using the Merge Meshes blueprint function within the Skeletal Merging Library. It does seem to work in that I see my merged mesh in a PIE environment, but if I double click on the transient mesh I g ...
Hair Shadows Not Affecting SSS Back Scattering (Subsurface Profile)
UE - Rendering - Graphics Features - Mar 30, 2026Groom strands do not appear to correctly block transmitted light for Subsurface Scattering Profile Materials. In some cases, not only will they not block the light, but can instead lead to more ligh ...
Issue with r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat
UE - Rendering - Features - Mar 30, 2026When "r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat=1", some values for the Sky Atmosphere at some directional light angles can lead to the sun disk being cut off, and taking on a chord shape. A ...
Downloaded Megascans assets cannot be accessed while offline
TM - Core - Mar 30, 2026Reported in SF [Link Removed] When launching and using Twinmotion 2025.2 or 2026.1 offline, the Megascans library becomes unusable due to the subfolders of the 3D assets, 3D plants, Surfaces and De ...
Incorrect CRC hash for shared fragments with FInstancedStruct member
UE - Engine Scaling - Mass - Mar 30, 2026User has encountered an issue with shared fragments that contain a member variable of type FInstancedStruct. It appears that UE::StructUtils::GetStructInstanceCrc32() does not correctly compute the ...
Level Sequence SpotLight USD Exporter Bug
UE - Editor - Content Pipeline - USD - Mar 26, 2026The attributes for spotlights are not exported. ...
Dynamic Translucency Resolution Not Reported Correctly
UE - Rendering - Architecture - Mar 24, 2026The dynamic translucency resolution and other dynamic resolution values were tied to the primary dynamic resolution and never updated for each type of dynamic resolution. The scaling resolution fra ...