ContentExamples crashes on Mac Metal when pressing the button for Example 2.3 in UMG.umap

UE - Graphics Features - Jan 19, 2017

When pressing the button for example 2.3 in the UMG map of content examples (Spawns a 3D UMG Widget), the editor crashes. ...

Water reflections and GI flicker in 5.4 and 5.3 (fine in 5.2)

UE - Graphics Features - Mar 7, 2024

Since 5.3 customers have been reporting flicker with water surfaces, demonstrating that in 5.2 this flicker is not present. [Link Removed] ...

World Position Offset Only Affecting the Z-Axis when applied as a Material to a Landscape

UE - LD & Modeling - Terrain - Landscape - Jul 6, 2016

When utilizing World Position Offset on Landscapes, the VertexNormalWS only pushes vertices in the vertical direction. Even if you are to sculpt an aggressive slope on the landscape, the vertices ar ...

A custom plugin enabled in a project in 4.13 is disabled when a copy of the project is opened in 4.14

UE - Foundation - Cpp Tools - Plugin System - Nov 22, 2016

If a project created in 4.13 that contains one or more custom plugins is upgraded to 4.14, the custom plugins are disabled. ...

DX12/SM6 Sampler Counts increased for empty materials between 5.1 and 5.2

UE - Rendering Architecture - Materials - May 19, 2023

While not a major issue in and of itself, this can cause considerable headaches for materials where sampler counts in 5.1 were at 15/16 or 16/16 and when upgrading to 5.2 are now exceeding the built ...

Nav Area class is reset after updating from 4.19.2 to 4.20 Preview 3

UE - AI - Jun 21, 2018

When upgrading a 4.19.2 project to 4.20 Preview 3 the Nav Area Class is changed to None instead of the value it was before the upgrade. Upgrading from 4.18.3 to 4.19.2 works as expected. This was t ...

Lighting does not properly affect landscapes under another landscape, even if Static Lighting Resolution is increased

UE - LD & Modeling - Terrain - Landscape - Apr 29, 2015

Lighting does not properly affect landscapes that are below another landscape, even after static lighting resolution is increased. This results in some areas that should be completely shadowed to ha ...

Point lights affect indirect lighting on RTGI much less than other types of lights

UE - Graphics Features - Lumen - Aug 4, 2020

Only point lights affect indirect lighting on RTGI much less than other types of lights.[Link Removed] Indirect lighting of baked lightmaps look much stronger than RTGI.[Link Removed] Apparently, ...

Failure packaging for android that supports both armv7 arm64 with GoogleVR plugin enabled

UE - Platform - XR - Aug 30, 2016

Unable to package a build for android (ATC) if the GoogleVR plugin is enabled and both arm64 and armv7 are supported. This does not reproduce if you turn off GoogleVR. This does not reproduce if yo ...

Manually changing the value for Constraint Value 1 & 2 causes odd visual issues

UE - Simulation - Physics - Jun 1, 2016

Changing the values that govern what bones a constraint is suppose to be a joint between (Constraint Bone 1 & 2) will cause issues where the transform widget is moved to an appropriate location but ...