Painted Foliage and Landscape Grass cannot use Lighting Channels

UE - World Creation - Worldbuilding Tools - Foliage - Jul 5, 2016

Currently there is no way to set painted Foliage instances of an actor be able to use lighting channels even though these can be set to movable in their properties. Since Instanced and Hierarchica ...

Animation to Ragdoll: Character blinks for 1 or more frames

UE - Simulation - Physics - Mar 4, 2016

Character is not rendered for frame between Death animation and conversion to ragdoll physics In the linked movie, if you pause at the 34 second mark and play frame by frame, you will see the chara ...

"Support Compute Skincache" throws an Assert for games on Linux

UE - Graphics Features - Apr 16, 2019

After enabling "Support Compute Skincache" in the project settings and packaging a game on Linux, the packaged game will throw an assert. Any setting that turns "Support Compute Skincache" on automa ...

VolumetricCloud crashes in orthographic view

UE - Graphics Features - Feb 17, 2025

FVolumetricRenderTargetViewStateData structure for the orthographic view is not initialized and the structure has some uninitialized member variables. If uninitialized FVolumetricRenderTargetViewSta ...

Static Meshes in sublevels disappear from world content browser if they are culled out of a cull distance volume during PIE

UE - World Creation - Worldbuilding Tools - World Composition - Oct 25, 2016

Cull Distance Volumes cause objects within them to disappear from the World Composition window if they are culled out at runtime. Regression (no) issue (does) occur in 4.12.5 ...

Crash when playing a other Level Sequence inside a Spawnable Actor registered with Level Sequence

UE - Anim - Sequencer - Feb 17, 2021

This issue crashes on exit when playing a other Level Sequence on an Event in a Spawnable Actor. Also this problem doesn't occur in 4.25. ...

Get Instances Overlapping Box node does not pick up overlapped instances

UE - World Creation - Worldbuilding Tools - Foliage - Aug 9, 2016

Get Instances Overlapping Box node does not recognize instanced meshes overlapping the box. The bounds of the box make no difference, nor does having the box test for instances within the same bluep ...

GPU Crash from invalid SRV in CreateShaderResourceView due to integer underflow

UE - Graphics Features - Ray Tracing - Jan 13, 2025

The GPU crashes after the ray tracing geometry builder attempts to create a shader resource view with an invalid offset. ...

GPU Crash from invalid SRV in CreateShaderResourceView due to integer underflow

UE - Graphics Features - Ray Tracing - Jan 15, 2025

The GPU crashes after the ray tracing geometry builder attempts to create a shader resource view with an invalid offset. ...

LIVE: Code projects using TextureRenderTarget2D will not build because UTextureRenderTarget is undefined in TextureRenderTarget2D

UE - Foundation - Core - Nov 5, 2014

If a TextureRenderTarget2D is used in a code class, the build of the project will fail with an error stating that the UTextureRenderTarget base class is undefined. The line #include "Engine/TextureR ...