Unreal Engine Issues
Unreal Engine Issues
AnimBP instance is leaked when using linked animation graphs with 3 or more hierarchies
UE - Anim - Runtime - Sep 5, 2022When creating an AnimBP with 3 or more layers using linked AnimGraph nodes and going through a state where animation is initialized such as replacing SekeltalMesh, the AnimBP on the 3rd layer is not ...
Preview Mesh does not disappear after releasing the Keyboard Shortcut
UE - Editor - Workflow Systems - Nov 9, 2022This is a regression. Tested in //UE5/Release-5.0 CL20979098 Preview Mesh does not disappear after releasing the Keyboard Shortcut as expected. The Mesh remains until the editor is restarted or ano ...
Cloth simulation breaking after scaling > 10
UE - Simulation - Physics - Character - Jan 4, 2023Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Simulation appears to work fine when scaled by 10, but any higher and it starts to mis ...
AnimDrawDebug does not work if using RootMotion from Everything
UE - Anim - Gameplay - Feb 14, 2023Debug drawing with AnimDarwDebug~ does not work when RootMotionMode is set to "RootMotion from Everything". In addition, the same issue occurs when MultiThread of Animation is turned off. Licensee ...
XR Planar Reflections lag behind VR headset movement
UE - Platform - XR - Mar 24, 2023Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...
Auto Exposure Compensation Curve issue when switching from Manual to Histogram
UE - Rendering Architecture - Feb 21, 2024When switching the Camera's Exposure Metering Mode from Manual toHistogram, the exposure level resets and takes time to settle. The Licensee has a proposed code change that would fix this issue. Als ...
Importing static mesh while a PIE session is running permanently breaks nanite on the asset
UE - Editor - Content Pipeline - Import and Export - Mar 12, 2025Importing a Static Mesh during PIE can cause it to never enable Nanite, even if it reports that Nanite is enabled. To re-enable Nanite on the mesh, the asset needs to be deleted and imported again ...
Crash after generating HLODs for approximated meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Apr 26, 2023The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...
Filtering a Curve with Fourier Transform (FFT) with the Response set to Chebyshev crashes the editor
UE - Anim - Sequencer - Mar 19, 2021When creating a Curve and filtering the keys with a Fourier Transform, the engine crashes. The engine doesn't crash when the Bake, Euler, or Simplify options. It only crashes if there are a minimum ...
Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion
UE - Gameplay - Blueprint - Apr 19, 2016Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion[EUS] TJ Ballard - Opened the map on a users project from this AnswerHub post: https://answ ...