Unreal Engine Issues
Unreal Engine Issues
Draw debug points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports
Tools - Oct 30, 2017With the Draw debug points node, the points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports. This issue does not appear to be a regression. Versions Test ...
CCD can produce incorrect results at low frame rates
UE - Simulation - Physics - Feb 27, 2019The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...
Undo and ConstructionScript break the AttachChildren array
UE - Framework - Components - Nov 14, 2019Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...
FInstancedStruct member uproperties are not cached when "Generate Optimized Blueprint Component Data" is enabled
UE - Framework - Blueprint - Nov 18, 2025A licensee has encountered an issue where their FInstancedStruct isn't being gathered into CachedPropertyData when "Generate Optimized Blueprint Component Data" is enabled. The changes in ...
Pilot actor no longer generates undo transactions
UE - Editor - Jan 22, 2024The piloting feature in the editor viewport is not undoable with Ctrl+Z It also does not cause the actor to become dirty so any changes during piloting are lost and not saved (user also not prompted ...
Geometry in hidden Layer unhides if moved in the viewport
Tools - Mar 3, 2017Geometry that is hidden in a layer, becomes visible after being moved in the viewport. The layer stays hidden, and if a cube is placed in the layer, it also remains hidden. Moving a cube that is hid ...
Actor Not Ticking on First Streaming Level Load When Using Level Streaming Volume
UE - Gameplay - Apr 11, 2017Actor's do not appear to be ticking when a level is first loaded when using a Level Streaming Volume. The Tick event will fire on the second and subsequent attempts. Edit: After further testing, th ...
Capsule Indirect Lighting with ILCQ Volume breaks on Skeletal Meshes when making Sublevel visible not in the current Camera Frustum
UE - Graphics Features - Apr 12, 2017When using Capsule Indirect Shadows for Skeletal meshes who have their ILCQ set to Volume, and loading a SubLevel with it's actors not within the current camera's view, the indirect lighting is blac ...
Crash Editor when deleting RecastNavMesh & NavMeshBoundsVolume - Top Down project
UE - AI - May 31, 2017While testing in //UE4/Release-4.16 CL 3466753 in Binary – I encountered a crash when deleting, undoing, then re-deleting the NavMeshBoundsVolume and RecastNavMesh.UE_LOG(LogObj, Fatal,TEXT("Renamin ...
Renaming a Gameplay Tag does not update all references
UE - Gameplay - Jul 26, 2017When a gameplay tag is renamed, gains a prefix/suffix, or is changed the updates to the tag are not being reflected in blueprints where the value has already been stored. This occurs in the case of ...