Unreal Engine Issues
Unreal Engine Issues
FStateTreeExecutionContext::GetDebugInfoString() outputs wrong info and crashes when using linked state trees
UE - AI - Debugging - Apr 17, 2025When using State Trees, the AI Debugger can be accessed during play to show information about their current execution state. If a behavior tree is currently in a state that references a linked tree, ...
FSubobjectData::SetupAttachment() receives SocketName as a parameter but ignores it.
UE - Framework - Components - Apr 17, 2025When using the Subobject Data Subsystem in C++, method FSubobjectData::SetupAttachment() can be used to help attaching a component to a parent at a given socket. This function receives SocketName as ...
PlayerCameraManager->OnBlendComplete() delegate not getting called
UE - Gameplay - Gameplay Cameras - May 29, 2025The PlayerCameraManager->OnBlendComplete() delegate is not getting called when running a game in a standalone network mode without any networking. ...
When very far out from the map origin, large static mesh is not streaming in until player is close in world partition even though it's within loading range.
UE - World Creation - Worldbuilding Tools - World Partition - May 7, 2025Context World Partition has a distance-based level streaming system that provides a complete solution for large world management. Problem The problem is that when the player and large static mesh a ...
DOF effect set with negative near transition region causes Massive FPS loss moving into Focal Region
UE - Graphics Features - Feb 11, 2016With a Bokeh DOF setup that essentially places the Near Transition Region into a Negative Space (or non-existence) the FPS drops dramatically from out of focus region to in focus region. In Focal R ...
Multi-Material Assets lose ability to assign individual actor Material Elements if one element has a Dynamic Material Assigned
UE - Gameplay - Blueprint - Jan 25, 2016When you have a multi-material mesh assigned to a blueprint in which one of the material elements is set to a Dynamic Material via the Construction Script, you lose the ability to set teh other elem ...
Unreal Lightmass does not build by default when building Solution from Promoted Github 4.12
UE - Foundation - Cpp Tools - UnrealBuildTool - Jan 19, 2016When building the Promoted 4.12 Solution from Github as of the 4AM commit, the Unreal Lightmass project does not build by default. This results in the inability to build lighting until Unreal Light ...
Collision boxes slow to move when using higher poly meshes
Tools - Jun 15, 2015Collision boxes become sluggish to move when using higher poly meshes. High poly boxes attached (60 K and 120K tris) Users Video for reference: [Link Removed] ...
Deferred and DBuffer Decals Normals are altered when adjusting the X Size/Scale
UE - Graphics Features - Dec 17, 2015Adjusting the X Size of a Decal is causing the normals to distort [Image Removed] Reproduced in 4.11-Releases-CL-2804793 Reproduced in DevRendering-CL-2806984 ...
Engine Scalability Resolution Scale does nothing until r.ScreenPercentage.Editor is set
UE - Graphics Features - Jul 10, 2015The Resolution Scale Slider in the Engine Scalability Settings does not adjust any settings unless your first adjust the r.ScreenPercentage.Editor variable. Also reproduced in Main - Promotable - C ...