Unreal Engine Issues

FBX Import for Skeletal Meshes normals not correct

When importing a mesh as skeletal mesh and using any of the MikkTSpace or option to "Import Normals and Tangents" will cause the normals to import incorrectly. If using the Compute Normals or Import ...

WP HLOD Crash on Small Cell Sizes

EPixelFormat::PF_R16_SINT does not render correctly for textures

Creating a UTexture2D the following way does not properly process gradients in the texture: ------ bool Atexture_test_actor::LoadRawFileTest( /* output */ UTexture2D*& image) { TArray<short> v ...

Actor moves between levels when using Convert Actor

Using Convert Actor when the wrong level is selected can cause the actor to move levels. This doesn't seem to happen with every actor type but is 3/3 reproducible using the steps provided. User Des ...

Clicking the tutorial button in the Blueprint editor while the tutorial alert in the main editor is still displayed will crash the editor

Clicking the tutorial button in the Blueprint editor while the tutorial alert in the main editor is still displayed will crash the editor. Reproduced in 4.8.1 and Main (//depot/UE4/Promoted-CL-2605 ...

Landscape Textures Patches issue when using "Texture Backed Render Target" as the Height Patch Source Mode where Landscape patches are not applying properly the first time a level is opened after restart

Context: Landscape patches are components that can be attached to meshes to affect the landscape as the mesh is repositioned. Problem: The problem is that when using "Texture Backed Render Target" ...

Packaged games do not display PlayerName correctly using Steam OSS

Packaged games do not display PlayerName correctly using Steam OSS. Does not occur in Standalone. Test project attached. To test, package for Development > Win64. When run (with the Steam client op ...

[CrashReport] UE4Editor_Slate!FDelegateBase::Unbind()

This is a common crash affecting users in 4.16. User Descriptionstrying to import a texture D: Source Context 137 /** 138 * Unbinds this delegate 139 */ 140 ...

Startup Movie renders as a black screen on some Android devices

While testing on the 10661_Xiaomi Mi 5C the Startup Movie would occassionally render as a completely black screen while still playing the audio from the Startup Movie sample. This was the most consi ...

Forward Rendering shading flicker on some assets set to Static

When forward shading is enabled some assets will have a shadow flicker along their face geometry. It has a similar look of z-fighting with polygon faces. This issue does not happen in Deferred rende ...