Unreal Engine Issues
Unreal Engine Issues
Enabling Window Animations causes drop down menus to flicker and be displaced
UE - Editor - UI Systems - Slate - Mar 10, 2021I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...
Crash when adding a Material Layer with a MaterialFunctionCall node to a Material Instance
UE - Graphics Features - Mar 30, 2021Adding a Material Layer to a Material Instance that has a Material Function Call node connected to the Set Material Attributes node causes the editor to crash. I tested a Material Layer without the ...
Crash when adding a pawn that has a SetSenseEnabled node set to true on Begin Play and then playing the game
UE - AI - Apr 20, 2021When adding the SetSenseEnabled node to a Pawn and controlling another pawn that has an AIPerceptionStiumuliSource, the editor crashes. I tested using other senses such as Hearing and the crash occu ...
3D Grass may not appear in Path Tracer renders
TM - Rendering - Sep 19, 2025Reported in SF [Link Removed] Path Tracer renders of images with 3D grass may not display 3D grass in the foreground of an image. The 3D grass material will not appear or may appear to cut off at s ...
r.ScreenPercentage.Editor does not function
UE - Graphics Features - Jun 2, 2016Setting r.ScreenPercentage.Editor does not affect the upsampling/downsampling of the viewport in the editor. Regression: YES - the console command correctly adjusted the screen precentage in 4.11.2 ...
Package fails to load due to EditorOnly data when launched onto Mac or Windows
UE - Foundation - Core - Jun 28, 2017LogPlayLevel: QAGame: [2017.06.28-14.09.14:706][ 0]LogLinker:Warning: Unable to load package (../../../QAGame/Content/UMG/UMG_Sprite.uasset). Package contains EditorOnly data which is not supported b ...
Containers of Instanced Subobjects don't inherit as expected
UE - Gameplay - Blueprint Editor - Jul 6, 2018Changes made to array containers in the parent Instanced Subobject Blueprint does not affect the child. Working in 4.18.3 Broken in 4.19.2 Tested in 4.18.3(CL - 3832480), 4.19 (CL - 4033788), 4. ...
Widget component navigation does not work in Standalone
UE - Editor - UI Systems - Jun 14, 2019When running a standalone build, focus navigation doesn't work on widgets within a world-space widget component. This may be fallout from [Link Removed], which parented the widget component's virtua ...
GetCookedEnvelopeData Blueprint node does not work
UE - Audio - Oct 17, 2019The GetCookedEnvelopeData Blueprint node does not output cooked audio envelope data when a Soundwave with enabled Amplitude Envelope Analysis is being played. Tested in 4.21 (CL - 4753647), 4.22.3 ...
Attaching a removed Actor in Sequencer causes a crash
UE - Anim - Sequencer - Jan 6, 2020This is a regression from 4.23.1 (CL-9631420) where Sequencer just displayed the re-attached binding in yellow text instead of crashing. The user suggests that the deleted actor should be removed fr ...