Reducing Resolution Scale affects Selection Accuracy in Viewport

UE - Graphics Features - Nov 17, 2015

When reducing the Resolution Scale the selection accuracy is reduced greatly, and makes it difficult to click and move objects in the viewport when PIE or Simulating. ...

Mac - Crash when opening editor on macOS 10.12

UE - Platform - Apple - Aug 8, 2016

Editor crashes during initialization, but only on macOS 10.12, not 10.11.6. Crash is due to a shader not compiling... Update: Crash was not occurring on Nvidia or Intel. This was strictly an AMD i ...

Light Propagation Volumes Not Affected by Emissive Area Light

UE - Graphics Features - Aug 1, 2018

The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...

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 ...

ProcessPriority performance consideration with Generation 12 Intel CPUs

UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 26, 2022

It has been noted that the default BelowNormal process priority set in UnrealBuildTool is not handled well with the Gen 12 Intel CPUs as processes are only scheduled on the E-Cores which causes degr ...

Switching CanEverAffectNavigation on a Dynamic Obstacle Leaves Original Area Behind

UE - AI - Sep 15, 2016

When setting Can Ever Affect Navigation to false, moving it, and then setting it back to true, the originally affected area remains, and it also creates a new affected area. This occurs each time y ...

Bloom banding when exiting top of screen, doesn't affect other sides

UE - Graphics Features - May 27, 2016

As a blooming object (the sun in this repro case) leaves the view via the top-edge of the screen, some noticeable banding occurs. Happens in both PIE and -game. Found on: //UE4/Main CL-2991400 //U ...

Character Movement Mode in Water Volume is affecting all clients

UE - Gameplay - Player Movement - Dec 16, 2019

Strange behavior concerning Character Movement Network Replication and a Water Physics Volume.  Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...

Copy/Paste a data asset fields cause the fields to affect each other

Tools - Jul 7, 2016

When an element of a data asset is copied into another field, the two fields become "linked" and further edits to one field begin to affect the other. ...

Setting world scale appears to affect the distance between eyes in VR

UE - Platform - XR - Nov 21, 2016

The "Set world to meters scale" node appears to affect the distance between eyes in VR. The eye gap distance appears to grow larger as well making everything appear out of focus ...