Unreal Engine Issues
Unreal Engine Issues
Ray Traced Reflections Get Darker The Higher The Rougness Value is for Metallic Materials
UE - Graphics Features - Lumen - Jun 11, 2019Instead of reflecting an average color of the surrounding, reflections become black with increased roughness values. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...
Leaving engine open for an extremely long time builds up memory usage, eventually crashing upon any activity
Tools - May 26, 2015Edit MattK: Not reproducible yet If the editor is open and used for a long period of time without being closed, it stores memory use. After building up a significant amount of resources building us ...
Editor crash when compiling blueprint that contains an implemented interface after removing return node
UE - Gameplay - Blueprint - Apr 8, 2015If a return node is removed from an interface that has been implemented in a blueprint, compiling the blueprint will cause a crash. Crash Reporter: [Link Removed] Frequency: 2/2 ...
Custom events cannot be overriden in child blueprints
UE - Gameplay - Blueprint - Jul 25, 2017Custom events cannot be overriden in child blueprints. The add event option is no longer available so as to override a custom event that was created in the parent. This appears to be a regression. ...
Crash When You Add Get Landscape Material Node
UE - LD & Modeling - Terrain - Landscape - Oct 7, 2020After staring a new, blank project, and adding a generic blueprint actor, the editor crashes after you add a "Get Landscape Material" Proxy to the event graph within the blueprint. ...
Multiple monitors bug with UE 4.14 on Mac
UE - Platform - Apple - Oct 26, 2016In UE4.14, the Editor freezes and is unresponsive and/or user cannot use any element of the editor in the second display Regression: this did not occur in previous versions of the Engine: tested in ...
Assert when having too many VR devices
UE - Platform - XR - Aug 31, 2018Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...
Typo in the tooltip for the DynamicBranch node results pin
UE - Content - Engine - Feb 22, 2016The Tooltip for the Results Pin of the DynamicBranch Material node incorrectly says that Color Input 1 will render if the Alpha is greater than 1, but the setup is for greater than 0. [Image Remove ...
Missing binding object for component track in level sequence
UE - Anim - Sequencer - Mar 13, 2025This issue occurs when clicking on the Rebind Possesable References action in a Level Sequence editor. The component reference appears missing and won't work anymore. It is worth noting that when ...
Crash undoing "replace actor with" when replaced object constructs child actors
UE - Gameplay - Oct 10, 2016The problem seems to be that the construction scripts doubled up all the BlueprintCreatedComponents, so there are now 2 scene components(actually the same one duplicated) and now 2 child actor compo ...