Thumbnails are broken in Reference Viewer

Tools - Apr 18, 2017

The thumbnails in the reference viewer are broken and do not reflect the thumbnails in the content browser. This is a Regression from 4.14.3 Spoke with BenZ about his change to the Asset Registry, ...

Font advance and fallback font metrics have issues in 4.16

UE - Editor - UI Systems - Slate - Jun 5, 2017

There were some font regressions in 4.16 that we've since fixed (CL# 3456916 and CL# 3425681). These are affecting live users so we should get them into the next 4.16 build. ...

Lighting Channels Do Not Function with 78+ Lights on Actor

UE - Graphics Features - Oct 20, 2017

Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...

NPC - Texture Sample DI does not work on Niagara Parameter Collections

UE - Niagara - Nov 8, 2023

Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this.  ...

Engine Hangs after Exiting Standalone Mode

UE - Graphics Features - Dec 1, 2016

Users are reporting hangs after exiting Standalone or other various windows launched through the editor. The resolution has already been found, but I am reporting for transparency. Note In order t ...

Crash When Renaming a Duplicated Collapsed Node Graph With a Period in the Name

UE - Gameplay - Blueprint - Feb 3, 2017

A crash is occurring if you collapse a node and name the collapsed graph something that contains a period. The crash occurs if you copy and paste the collapse graph, and then attempt to rename it. I ...

NavMesh does not build correctly to SkeletalMesh collision

UE - AI - Mar 16, 2015

NevMesh cuts out holes for collision incorrectly with Skeletal Meshes. Skeletal Meshes with "Can Ever Affect Navigation" set to true and that have a Physics Asset are capable of causing this. ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

meta specifier ArrayClamp does not work with array in struct

UE - Gameplay - Blueprint - Sep 14, 2016

Giving an int32 variable the specific ArrayClamp has no affect when the specified array is defined inside a USTRUCT(). Variable is able to be set to a value outside of specified struct's range. ...

Memory increase when exiting PIE with Project Settings open

Tools - Nov 30, 2016

Memory increase when exiting PIE with project settings open Regression: YES Broken: 3195953 (4.14.0) Worked: 3195953 (4.13.2) ...