Unreal Engine Issues
Unreal Engine Issues
Unwanted offset on curves when importing animation assets
UE - Editor - Content Pipeline - FBX - Jun 27, 2025Hello, We seem to have encountered some unwanted behaviour when importing certain curves from our animation fbx assets into Unreal. Some of these curves don't have keys from the very first frame, b ...
Mutable custom versioning issue from 5.5->5.6
UE - Anim - Mutable - Sep 19, 2025In 5.6, a handful of new entries in `FCustomizableObjectCustomVersion` were added, including `SetDisplayNamePropertyAsPinNameOfTableNodes`. Looking back at the history, `SetDisplayNamePropertyAsPinN ...
When exporting from a level sequence, the LOD for the bones is based on the camera distance, instead of using LOD0
UE - Anim - Sequencer - Oct 9, 2025When exporting a level sequence to an animation sequence, the bones used will be based on the LOD for the current camera location, instead of exporting LOD0. This is very noticable if you pull the ...
RuntimeCellTransformers can result in increasing the instance count when a BP instance is not destroyed.
UE - World Creation - Worldbuilding Tools - Oct 22, 2025The problem is related to the SimpleConstructionScript that executes on the BP instances after the transformer. The problem also happens at cook time as the SCS is executed when the package is sav ...
Editor ensure in USceneComponent::OnComponentDestroyed during Blueprint compilation GC
UE - Framework - Components - Jan 15, 2026An editor-only ensure can trigger during BP compilation when garbage collection cleans up transient components created as part of component replacement. During recompilation, old component instances ...
GameplayTagQuery AutoDescription not refreshed after GameplayTag redirect on load
UE - Gameplay - Gameplay Tags - Jan 21, 2026FGameplayTagQuery does not refresh its cached AutoDescription after GameplayTag redirects are applied during asset load. As a result, after renaming a GameplayTag and restarting the editor, the Game ...
AddActorWorldOffset offsets character blueprints faster than other actors
UE - Gameplay - Feb 22, 2016AddActorWorldOffset offsets character blueprints faster than other actors when the character is possessed or anytime after possession/ejection has occurred. ...
Crash when Child Actor Component overlaps Parent static mesh inside of the blueprint editor
UE - Gameplay - Sep 21, 2015Crash when Child Actor Component, that is set to Destroy Other Actor on overlap, overlaps Parent static mesh inside of the blueprint editor Crash Reporter: [Link Removed] ...
Output pins labeled "self" will not appear on interface functions called in blueprints
UE - Gameplay - Blueprint - Jan 28, 2016Output pins labeled "self" will not appear on interface functions called in blueprints. ...
Setting Runtime Generation to Static Resets Upon Closing and Re-opening Editor
UE - AI - Nov 23, 2015In Project Settings>Navigation Mesh, setting the Runtime Generation context menu to static reverts to dynamic if the project is saved, closed, and reopened. ...