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, ...

Launcher Crashes after updating from 4.5.1 to 4.6.1

Tools - Mar 9, 2015

Launcher Crashes after updating from 4.5.1 to 4.6.1. When opening Launcher user receives the following error message: MachineId:5594134C496ADEDBDA8928BF9C26FCA5 EpicAccountId:7d0bd770cd564683863553 ...

Scene Capture 2D Actor causes Flickering on Windows 10 when Launched in Standalone

UE - Graphics Features - May 2, 2016

Screen/Playable window flickers when playing in Standalone on Windows 10. A few users are reporting this issue which is exclusive to Windows 10 and Standalone mode. There is another issue the could ...

Updating C++ projects with Marketplace plugins in 4.25.2 fails to build project

UE - Foundation - Cpp Tools - Plugin System - Jul 24, 2020

Projects created in previous engine versions fail to build in 4.25.2Running D:/Epic Games/UE_4.25/Engine/Binaries/DotNET/UnrealBuildTool.exe Development Win64 -Project="D:/Unreal Projects/MyProject4 ...

Editor crashes when importing 4.5.1 project to 4.6

UE - Gameplay - Blueprint - Dec 9, 2014

The user converted a copy of their 4.5.1 project to 4.6. Upon opening that project, the editor crashes. Deleting certain widgets allows the user to open the project, but opening any map results in a ...

Material expression If node has been broken, major regression that shipped in 4.6

UE - Graphics Features - Dec 9, 2014

This sounds legit. Anyone mess with the if node recently? There seems to be a regression where existing content is broken. This should be fixed ASAP and patched into 4.6. https://forums.unrealen ...

Build fails when using the Windows 10 SDK

UE - Foundation - Build - Farm - Aug 14, 2017

Attempting to build the Engine using the Windows 10 SDK currently fails. This was tested on both a Windows 7 and Windows 10 machine using both Visual Studio 2015 and Visual Studio 2017. ...

Lighting Only Affects Tilemaps From One Direction

UE - Graphics Features - Oct 9, 2018

Lighting only affects tilemaps from one direction.  Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.22 CL# 4435744 ...

Major performance drop with instanced meshes since PhysX 3.4 upgrade

UE - Simulation - Physics - Mar 15, 2017

Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...

Landscape tool does not work correctly in OSX 10.12

UE - Graphics Features - Oct 26, 2016

The landscape tool is not working correctly in OSX Sierra 10.12 This could not be reproduced in El Capitan 10.11.6 on a similar iMac or on Windows Not a regression as it occurs in 4.13.2 as well ...