Origin Shifting Landscape crashes Render Thread

UE - LD & Modeling - Terrain - Landscape - Jan 10, 2020

Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...

Editor crashes when an Animation Blueprint Template is compiled with 'Layered Blend Per Bone' node

UE - Anim - Runtime - Mar 17, 2022

Editor crashes when an Animation Blueprint Template is compiled with 'Layered Blend Per Bone' node. ...

Emissive material lighting falloff regression in GPU Lightmass

UE - Graphics Features - Sep 12, 2023

Forum user noted that emissive lighting being built with GPU Lightmass is in fact being built, just not around the mesh, but in a larger radius and with reduced strength compared to 5.1.1. They foun ...

Launcher and Editor context / dropdown menus do not display correctly on upcoming Windows 10 build

UE - Editor - UI Systems - Slate - Oct 3, 2016

A few users using the Windows 10 Insider Preview have found that after a certain point in the Prerelease builds, starting at 14915 it seems, the Unreal Editor and Epic Games Launcher context menus h ...

"Combine Meshes" Breaks Material Slot Assignment

Tools - Jan 18, 2017

When importing an FBX with several different meshes and multiple materials with "Combine Meshes" enabled the materials will get assigned to incorrect portions of the mesh. I've included a version o ...

Mesh data will be deleted from Static Mesh if added as a Hierarchical Instanced Static Mesh Component through blueprint

UE - Gameplay - Aug 10, 2017

Mesh data will be deleted from the Static Mesh if added as a Hierarchical Instanced Static Mesh Component through blueprint. All of the mesh data (actual geometry) and LODs will be deleted from the ...

Reflections Not Behaving As Expected in Splitscreen

UE - Graphics Features - May 15, 2018

In splitscreen, Player 0 view influences reflections for other player views. A user submitted the included test project showing the issue, and I have reproduced on 4.18.3 as well as 4.19.2 (see Spli ...

Set Material in Blueprint Causing Crash

UE - Graphics Features - Jul 30, 2018

Using "Set Material" for a static mesh in blueprint causes a crash. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4233996 and 4.21 CL# 4234136 This is a regression. ...

Niagara GPU Mesh Particles Not Working In Packaged Project

UE - Niagara - Aug 22, 2018

GPU Mesh emitters will not show up in a packaged project. Found in 4.20 CL# 4302132 and 4.21 CL# 4307852 ...

Ensure Occurs When Using Russian Letters In a Text Variables

UE - Gameplay - Oct 4, 2018

The Editor will hang when using Russian characters for a text variable in a Blueprint. It seems to occur when using the character "л" is used. Only seems to occur once in a project. Found in 4.19 C ...