Unreal Engine Issues
Unreal Engine Issues
LODbias settings appear to have no effect when specified by GPU on android
UE - Platform - Mobile - Systems - Oct 3, 2019When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...
Motion Matching FPS instability causes jittering when using the root offset node
UE - MVF Character - Animation - Feb 23, 2026Offset root node is affected by frame rate and produces jitter in it's motion across various settings and styles. ...
Shader Complexity not working correctly on Deferred Decals
UE - Rendering - Features - Sep 3, 2020If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...
Rigidbody world space simulation overwrites scaling of the skeletal mesh
UE - Runtime - Simulation - Nov 14, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Not a Regression. ...
Changed Constraints do not show up when enabling Show Only Modified Properties
UE - Runtime - Deformable - Nov 16, 2022This is not a regression. Tested in //UE5/Release-5.0 CL20979098 Changed Constraints on a Static Mesh do not show up when enabling Show Only Modified Properties. ...
Tick Physics Async overwriting Physics Handle component
UE - Runtime - Simulation - Nov 23, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
Adding Images: The image header is unrecognized
RS - Editor - Feb 14, 2025This issue occurs only on Windows 11 24H2, but it affects all RealityCapture versions on this OS. It is allso not possible to open the images with the Windows Photos App. ...
TSR ghosting when see through translucent wall
UE - Rendering - Features - Feb 7, 2023see through a translucent material will cause ghosting This issue did not occur in 5.0, it occurs when using TSR on UE 5.1 or later. ...
Temporal blur artifacts on Geometry Cache Components in Blueprint actor
UE - Editor - Open File Formats - Alembic - Jan 9, 2026When a Geometry Collection is in a Blueprint, attached to other components, it can render incorrect motion vectors at some angles. In the test project, any angle that is not a multiple of 45 will re ...
Memory leak when Lumen is disabled but r.MeshCardRepresentation=1
UE - Rendering - Features - Lumen - Jul 29, 2024When Lumen is disabled, but the cvar "r.MeshCardRepresentation" is set to 1, Lumen will continuously enqueue object removal from the Lumen Scene, without ever emptying the array of primitives to rem ...