Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format

UE - Graphics Features - Apr 5, 2024

This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...

Crash Occurs When Renaming Folder in Landscape Mountains Project

Tools - Jun 23, 2016

Changing the name of a newly-created folder that contains a few copies of the same map causes a crash in the Landscape Mountains project. This crash did not occur in a clean First Person project wh ...

Translucent materials with tessellation

UE - Graphics Features - Oct 3, 2017

When using a material with a translucent blend mode, you can not use the lighting modes "Volumetric PerVertex NonDirectional", or "Volumetric PerVertex Directional" and the Tessellation settings "PN ...

Naming a Blueprint function/graph with non-ASCII characters can cause a build failure for certain cooked targets when Blueprint nativization is turned on.

UE - Gameplay - Blueprint - Nov 2, 2017

This is due to the [Link Removed] encoded UFunction object name passing through UHT into the boilerplate code (*.gen.cpp) that gets generated from the nativized Blueprint's C++ header file. The iss ...

"Get Data Table Column as String" Always returns Last Column

UE - Gameplay - Blueprint - Mar 10, 2018

The final column of DataTable is always returned when using "Get Data Table Column as String" blueprint node. "Get Data Table Column as String" Blueprint node is new as of 4.19 ...

Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package

UE - Simulation - Physics - May 4, 2022

Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package. This does NOT occur if you play in editor. Repro Rate: 4/4 Teste ...

Assigning FSoftObjectPath to null entry in Blueprint Trips ensure on Compile/Load

UE - Gameplay - Blueprint Editor - Apr 21, 2022

[Link Removed] Able to set default values for Sequence & Map variables for a Movie Pipeline Executor Job causing an Ensure & Crash. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 ...

FBX Import for Skeletal Meshes normals not correct

UE - Graphics Features - Jan 12, 2016

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 ...

Editor Crash when attempting to enter Mesh Paint / Landscape /Foliage Modes while Simulating

UE - Editor - Workflow Systems - Jan 12, 2017

Editor crash will occur when a user attempts to enter the Mesh Paint, Landscape, or Foliage modes while Simulating. Links to CrashReporter: Foliage: [Link Removed] Landscape: [Link Removed] Mesh Pa ...

LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created

OLD - Anim - Aug 8, 2017

LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created. It seems to be using the LOD Build Scale to double in size on actor merge. This is a regression: ...