Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure

UE - Foundation - Core - Jun 7, 2016

When attempting to build the Minidump Diagnostics project from the UE4 source, it will fail if you're using Visual Studio 2015 Update 2. Please note that this does not occur in the base VS2015 or wi ...

Project World Location To Widget Position node appears to return the wrong screen position when Constrain to aspect ratio is enabled

UE - Editor - UI Systems - Dec 2, 2016

Project World Location To Widget Position node appears to return the wrong screen position when Constrain to aspect ratio is enabled. Enabling Constrain to aspect ratio appears to offset the widget ...

Map load stalls in texture streaming code

UE - Graphics Features - Jun 13, 2017

A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...

Cannot undo moving a mesh via Pilot

Tools - Jan 2, 2018

There is an issue where the undo does not affect movement made by piloting an object in a level. This issue does not appear to be a regression. Versions Tested: This issue occurs in all versions te ...

When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation

UE - Anim - Sequencer - Dec 11, 2018

When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...

BuildGraph builds some tools for Win32 even if Win32 is excluded from the build

UE - Foundation - Cpp Tools - Jan 16, 2019

When creating a local binary build of the Engine using the BuildGraph, there are several tools that are built for Win32 even if Win32 was specifically excluded from the BuildGraph (ie. -set:WithWin3 ...

UMG Animations Scale Retainer Boxes When Only Translating them

UE - Editor - UI Systems - Feb 28, 2020

When translating a retainer box in an UMG animation the scale of the retainer box is also affected. Attached is a 4.23 example project. Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9631420, ...

When setting in PreviewGameLaunguage, the package application always adds "culture" to the argument

UE - Editor - UI Systems - Localization - Nov 12, 2020

Whenever packaging project from Launcher with a PreviewGameLanguage set, the culture="preview language" is added to the UE4CommandLine.txt file. Can avoid this issue by setting "None" in PreviewGam ...

Lumen Reflections in Stereo are broken after Nvidia GPU Driver Update

UE - Platform - XR - Jul 29, 2024

After updating the NVidia graphics driver to v.552.74+, reflective/mirror materials appear broken and render with black and white lines in VR mode if they are in a level with a Post Process Volume w ...

Changing the Mac Game Icon in the project settings does not persist in Development packages of the project

UE - Platform - Apple - Aug 11, 2016

Changing a project's Mac game icon does not persist through Mac development packages of the project. However, Shipping packages will show the correct icon. This only occurs on Mac. This was not rep ...