Unreal Engine Issues
Unreal Engine Issues
Crash Occurs When Setting Child Actor Class in Child Blueprint
UE - Gameplay - Blueprint - May 4, 2017A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...
Crash Occurs While Running EQS Using Add Generated Vector Node
UE - AI - Sep 8, 2016A crash is occurring when running a custom EQS generator that returns a Point and uses the Add Generated Vector node. This is a regression. No crash occurs with the same setup in 4.12.5. ...
Audio/Video out of sync after seek
Media Framework - Jan 29, 2018There is an issue that sometimes occurs when using the seek option in the media player while the Decoder is set to WMF. When this happens the audio desyncs from the video and for the rest of the vid ...
Datasmith files containing special characters do not import correctly in Unreal
UE - Editor - Content Pipeline - Datasmith - Exporters - Oct 10, 2018User is experiencing an import issue with a 3DS Max 2019 file. Their workflow is as follows and works for all their assets but this one:Original file created in revit 2019Import revit link to 3dsmax ...
Emissive material lighting falloff regression in GPU Lightmass
UE - Graphics Features - Sep 12, 2023Forum user noted that emissive lighting being built with GPU Lightmass is in fact being built, just not around the mesh, but in a larger radius and with reduced strength compared to 5.1.1. They foun ...
ResavePackages commandlet with Build Lighting applies level transform each time
UE - Foundation - Core - Cooker - Sep 13, 2016While using the commandlet for RebuildPackages with -BuildLighting and having any sub-levels with level transforms will be added to the current position each time this commandlet is run. As an exa ...
Camera attached to a Spring Arm jitters when put at a +90 or -90 degree angle on the Y axis.
UE - Gameplay - Nov 18, 2016When a camera attached to a spring arm is turned at a +90 or -90 degree angle in the Y Axis (can't go any further) and turned, it can jitter and cause visual issues. Note: This occurs in the base ...
Blueprint Library plugin set to 'Runtime' doesn't work in Standalone/packaged builds if used inside of the 1st Person Character BP
UE - Foundation - Cpp Tools - UnrealBuildTool - Nov 18, 2016Blueprint Library plugin set to 'Runtime' doesn't work in Standalone/packaged builds if used inside of the 1st Person Character BP. User Description: Blueprint libraries are still broken in the fi ...
Modulated shadows do not render in the correct area on older devices / versions of Android OS
UE - Platform - Mobile - Apr 5, 2016This issue was reported by a user who was having issues with their modulated shadows showing up in random spots on their mobile devices. Their devices were a Samsung Galaxy Note 2 and a ASUS Zenfon ...
Generate Project Files process fails if SwarmAgent.exe is not present
UE - Foundation - Cpp Tools - Mar 5, 2019This issue appears to be the result of the fix for [Link Removed] which removed RPCUtility from the Engine. A licensee noted that they were now seeing an issue when attempting to generate project fi ...