Unreal Engine Issues
Unreal Engine Issues
Unable to compile when using FReadScopeLock
UE - Foundation - Core - May 24, 2016Attempting to initialize FReadScopeLock with FMultiReaderSingleWriterGT* causes unresolved external errors. ...
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 ...
Streaming levels loses static meshes coordinates and mesh references
UE - Gameplay - May 28, 2019Streaming levels loses static meshes coordinates and mesh references when a Blueprint within the sub-levels are changed and they aren't toggled visible in the Persistent Level when it is being built ...
Automotive Photo Studio Template project renders custom render passes incorrectly
UE - Editor - Content Pipeline - Datasmith - Importer - Dec 19, 2019Renders with a custom render pass from the level in the Automotive Photo Studio Template are incorrect. They appear to be affected by auto exposure. ...
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 ...
"Directions are not compatible" when using Blueprint node with meta = ( ExpandEnumAsExecs = "Branches" ) in only Animation Blueprint.
UE - Gameplay - Jul 28, 2016When using a custom Blueprint node with the meta tag, "ExpandEnumAsExects" Animation Blueprints get "Directions are not compatible" while other Blueprint classes are able to compile the same node. ...
"Allow Custom Depth Writes" Creates Artifacts In Depth Buffer
UE - Graphics Features - Jan 5, 2017When a transparent material has "Allow Custom Depth Writes" enabled it is prone to have artifacts in the custom depth buffer under specific conditions. The conditions are as follows:The translucent ...
Project crashes when auto save completes after copy/pasting emitters multiple times in a system
UE - Niagara - Aug 2, 2018Project crashes when auto save completes after copy/pasting emitters multiple times in a system Encountered same crash testing Blend_Attributes_System and ExpressionsExample_System. Doesn't seem to ...
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 ...
Specular errors rendering in Highlight
UE - Graphics Features - Sep 21, 2015On certain assets, specular element is showing lines on an asset. [Image Removed] I have attached a Maya and FBX file of an asset which demonstrates this issue. ...