Unreal Engine Issues
Unreal Engine Issues
Composite Decorator Graph nodes are not updating titles when changes are made to the properties of a node
UE - AI - BehaviorTree - May 5, 2022Composite Decorator Graph nodes are not updating titles. Upon closing and reopening the Composite Decorator Graph, the nodes do refresh to their properly set title. Repro Rate: 3/3 Tested this in ...
UE 5.4 - Specular/reflection disappears above 4096 resolution render
UE - Rendering Architecture - Aug 1, 2024After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...
World Position Offset invalidates Point Lights Entire Virtual Shadow Map Cache when light frustrum is only overlapping a small portion of the mesh
UE - Graphics Features - Oct 22, 2025When adding a spotlight to the scene it does not correctly use cached virtual shadow map pages when the spotlight overlaps a mesh using WPO. This can be most easily observed by entering 'Cached Pag ...
Creating a new Physics Asset will override the behavior of the previous Physics Asset inside the Phat Editor
UE - Gameplay - Aug 11, 2016Creating a new Physics Asset will override the behavior of the previous Physics Asset inside the Phat Editor. This seems to be linked to which physics asset is currently assigned to the skeletal me ...
Custom TouchInterface doesn't fade to Inactive Opacity
UE - Platform - Mobile - Jan 12, 2016Custom TouchInterface doesn't fade to Inactive Opacity User Description: Virtual Joystick always show on screen, even if Time Until Deactive is 0.00001. ...
Make array node elements break when editing struct elements
UE - Gameplay - Blueprint - Sep 23, 2015If a Make Array BP node is connected to a structure, using the "Split Struct Pin" and "Remove Array Element Pin" options causes array elements numbers to change randomly. ...
Inclusive Nativized Blueprints slower than Non Nativized Blueprints in packaged project
UE - Gameplay - Jul 1, 2019When nativizing blueprints the packaged build of the project runs slower than a non-nativized version of the packaged project. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647, 4.24Main CL#7 ...
Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values"
Tools - Jun 14, 2015Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values". Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2 ...
StaticMeshActors spawned at runtime are not visible until a property has been changed and also have no collision unless set to moveable
UE - Gameplay - Dec 22, 2015Spawning a StaticMeshActor at runtime results in the StaticMeshActor not being visible until a property has been changed, such as the material for the Static Mesh. The spawned actor will also have n ...
[CrashReport] UE4Editor_ClothingSystemRuntime!FClothingSimulationNv::UpdateLod() [clothingsimulationnv.cpp:801]
UE - Simulation - Physics - Character - Apr 26, 2017This is an early trending crash coming out of the 4.16 Preview. This has also been experienced internally on an internal project ([Link Removed]) User descriptionsCreate new cloth asset > Apply ne ...