Hidden In Game option for Layers in TileMap Editor not working

UE - Gameplay - Paper2D - Oct 26, 2015

Using the 'Hidden in Game' option in the Tilemap Editor does not hide the associated layers in game as expected. I tested this issue in 4.8.3, 4.9.2, and 4.10 Preview 2 binary releases and the issu ...

Exposure Metering Mode "Auto Exposure Basic" Disables Histogram Min/Max Control

UE - Graphics Features - Oct 11, 2018

Auto Exposure Basic disables histogram min/max controls. Working as expected in 4.19 CL# 4033788 and 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4448303 This is a regression ...

Tessellation no longer working

UE - Graphics Features - Jan 12, 2016

Material Tessellation is no longer working in 4.11 Preview 2, 3, or 4. It is also no currently working in 4.12 Main. Working: 4.10.2 - CL-2818068 Not Working: Tested in Dev-Release CL-2824708 Not ...

Root motion "loop" not available to select in Blend Space

UE - Anim - Runtime - Apr 6, 2022

When creating a blend space within UE5, root motion options are greyed out and can NOT be selected, no matter if the animation has EnableRootMotion checked or not. I also made sure to try an animat ...

Engine Hangs or Fails to Load upon Restart after Enabling New Planar Reflections in Rendering Settings

UE - Graphics Features - May 5, 2016

After enabling the new 'Support Global Clip Plane for Planar Reflections' option in 4.12, the project hangs at 45% after restarting. As a note, I had another teammate attempt to enable this option ...

Crash When Trying to Find a Blueprint Class with Niagara Particles

UE - Niagara - May 22, 2019

Crash When Trying to Find a Blueprint Class with Niagara Particles Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

Missing binding object for component track in level sequence

UE - Anim - Sequencer - Mar 13, 2025

This issue occurs when clicking on the Rebind Possesable References action in a Level Sequence editor. The component reference appears missing and won't work anymore. It is worth noting that when ...

Shadows are cast by meshes that have "Self Shadow Only" enabled while "Ray Tracing" is enabled with DX12

UE - Graphics Features - Lumen - Nov 6, 2019

Meshes that have "Self Shadow Only" enabled are still casting shadows if ray tracing is enabled with DX12. Found in 4.23.1 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24 CL#10053396, 4.25 Main CL ...

Mouse Position doesn't properly update on tick when framerate is low in standalone game

UE - Editor - UI Systems - Slate - Dec 11, 2015

If a game is run in the standalone editor and the FPS drops to ~20-30 FPS, pressing an event such as LMB and returning the mouse position on tick will cause the tick to jump inconsistently. Note: ...

Light Banding for Point Lights at long distances from the World Origin

UE - Graphics Features - Jan 4, 2017

When using a point light far from the world origin the light will have banding. The shadow bias and filter sharpen can help but they are not as consistent as settings near the world origin. The only ...