Unreal Engine Issues

GLTF Datasmith Files Import Incorrectly if Mesh Names Contain a "."

Importing a GTFL through the GLTF Datasmith import references incorrect instance meshes when their names contain a period. Which is very common when exporting from Blender which automatically adds t ...

Failed to launch project with -D3D10 Command Line Argument

Adding the d3d10 command line argument to a package project results in a crash. This worked normally in 4.21 and below.  ...

Nested Structs don't work in the details panel

Nested structs do not expand in the details panel whenever opening it in the full Blueprint Editor. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 66842 ...

[CrashReport] UE4Editor-Renderer!FMaterialShader::GetShaderBindings(FScene const *,ERHIFeatureLevel::Type,FMaterialRenderProxy const &,FMaterial const &,FMeshDrawSingleShaderBindings &) [ShaderBaseClasses.cpp:379]

Generated from CrashReporter ...

[CrashReport] UE4Editor-Engine!UpdateWorldBoneTM(TArray<FAssetWorldBoneTM,TMemStackAllocator<16> > &,TArray<FTransform,FDefaultAllocator> const &,int,USkeletalMeshComponent *,FTransform const &,FVector const &) [PhysAnim.cpp:143]

Generated from CrashReporter ...

Constant interpolation in animation curve points appears to prevent material updates after hitting apply

When changing the key interpolation of a material curve in an animation to constant it appears to break the updating of the material after the changes are applied. Until the changes are applied it a ...

WorldNormal no longer works on deferred decals

The SceneTexture:WorldNormal is not taking in direction for color when used on deferred decals. As a result, the decals using this node always show up as grey. Tested in 4.21.2 (CL - 4753647), 4. ...

Crash when debugging project offscreen

Running a project with the RenderOffscreen flag in the DebugGame configuration applied causes the debugger to crash. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6674923) ...

Sequencer doesn't update Light color track

Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer

Using the Editor in Fullscreen mode on Linux causes it to freeze and occasionally lock up the computer. This freeze causes the various symptoms described in the Results field. In 4.21.2 (CL-4753647) ...