Unreal Engine Issues
Unreal Engine Issues
Copying a destructible mesh in the viewport loses reference to assigned mesh in the details panel
UE - Simulation - Physics - Destruction - Nov 4, 2014BRANCH: MAIN CHANGELIST: 2346079 PLATFORM: Windows DESCRIPTION: When copying a Destructible mesh in the viewport the Destructible Mesh component will not be shown for the copied mesh. The mesh can ...
LOD glitch when using Control Rig with Import Skeleton node
UE - Anim - Rigging - Control Rig - Aug 26, 2025In Unreal Engine 5.6 and Main, a glitch occurs when switching between LODs in a character setup that uses a Control Rig to dynamically load the skeleton hierarchy through the Import Skeleton node in ...
Lumen screen traces from hair cast noising moving shadows on faces
UE - Graphics Features - Lumen - May 17, 2024There is moving blotchy noise on the head and face from hair when Lumen HZB tracing hits hair. CL 33258050 fixes the noise in the hair, but tracing still hits hair when it starts from surfaces like ...
LIVE: EDITOR: Extremely large trigger volumes registering overlaps multiple times upon single overlap event
UE - Simulation - Physics - Sep 9, 2014Update: 1/27/2015 User reporting multiple overlap events/end over lap events firing on smaller triggers, their specific dimensions were 400 uu x 2000 uu on a capsule Build: 4.4.2-2289767 Descript ...
Additive Animation does not work as intended when Ref Frame Index is more than zero
UE - Runtime - Animation - Dec 19, 2023In some conditions, additive animation shows different/wrong behavior on Standalone Game and packaged game, from the other PIE. Watch the attached video. [Link Removed] The key points to reproduce ...
FBX Import into Level node rotation
UE - Editor - Content Pipeline - Import and Export - Aug 9, 2016User has pointed out that generating FBX files through C++ causes the level nodes and a light node. I'm not fully versed with this, so the notes from the user may be more helpful for their descript ...
Foot Placement tries to step on vertical surfaces
UE - Anim - Gameplay - Oct 31, 2023From a community member: Are you responsible also for the FootPlacement node? Its fantastic, but there is a possible bug with the walkable surface handling. It tries to step even on vertical surfac ...
UPoseAsset::SetBasePoseName() always sets INDEX_NONE
UE - Runtime - Animation - Apr 11, 2025UPoseAsset::SetBasePoseName() does not correctly set the BasePoseIndex when a valid pose name is provided. Regardless of input, the pose defaults back to ReferencePose. Upon inspection of the implem ...
Objects with Translucent Blend Mode Material Aren't Affected by Refraction
UE - Graphics Features - Feb 16, 2018There is an issue occurring where Objects with Translucent Blend Mode Material Aren't Affected by Refraction. This affects any translucent material regardless of the translucent materials settings. ...
Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false
UE - Graphics Features - Dec 21, 2017Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE. Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...