Unreal Engine Issues
Unreal Engine Issues
Ensure occurs while duplicating world partitioned level by WorldPartitionRenameDuplicateBuilder commandlet
UE - World Creation - Worldbuilding Tools - World Partition - Aug 21, 2023The level seems to have been successfully copied. ...
SkeletalMeshComponent in dedicated server causes memory leak
UE - Graphics Features - Nov 8, 2023As dedicated server does not have viewport, USkinnedMeshComponent::BoneTransformUpdateMethodQueue array keeps growing and never clear. ...
Reference to material collection by Index instead of by Name causes inconsistency
UE - Rendering Architecture - Materials - Feb 21, 2024A UDN user reports materials referincing parameter collections by index instead of by name. The problem manifests itself when rearranging the order of parameters belonging to collections, as the edi ...
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
Interchange Framework - Missing References on Animation Import with Python Pipelines
UE - Editor - Content Pipeline - Import and Export - Jun 10, 2025Hello, I'm using Interchange in a UE5.5.4 project with my Pipeline Stack containing a copy of the DefaultAssetPipeline and a custom Python Pipeline. When importing my Animation with only the Defau ...
Skeletal mesh defined in code cannot be set in the editor.
UE - Gameplay - Blueprint - Apr 16, 2015Defining a skeletal mesh component in code and attaching it to the root component will not allow the component's details to be editable inside the editor. ...
Physics object set to OverlapAll will still collide with the player
UE - Gameplay - Aug 24, 2015Physics object set to OverlapAll will still collide with the player User Description: The pawn is simply colliding with and causing physics on objects it shouldn't be. To replicate: Set up a new ...
Mouse Position doesn't properly update on tick when framerate is low in standalone game
UE - Editor - UI Systems - Slate - Dec 11, 2015If a game is run in the standalone editor and the FPS drops to ~20-30 FPS, pressing an event such as LMB and returning the mouse position on tick will cause the tick to jump inconsistently. Note: ...
Get World Delta Seconds Not Pausing When Hitting a Breakpoint
UE - Gameplay - Blueprint - Feb 11, 2016When debugging a blueprint using breakpoints, if you click the Resume button while you have Get World Delta Seconds running on tick, it will always return a maximum clamped value of .4 seconds (or l ...
An Actor Reference will reset to a None when referencing a ChildActor
UE - Gameplay - Feb 11, 2016A blueprint with an Actor Reference will reset to a None value on compile or stopping PIE User Description: We have come across a bug with the editor regarding setting direct references to child a ...