Unreal Engine Issues
Unreal Engine Issues
Retargeting Root Motion not working in UE4.10
OLD - Anim - Nov 24, 2015Retargeting root motion results in the target animation appearing to "slide" on the ground or "hover" as if hanging from the pelvic bone. This has been reported to be fine in 4.9 but multiple users ...
Editor crash opening level with instance blueprint component
UE - Gameplay - Blueprint - Feb 20, 2017When an actor has an instanced blueprint property, the order in which the map's imports are being verified when loading can cause the editor to crash. For example, trying to load an instanced bluep ...
BP - Class default value is temporary reset after parent c++ class compile.
UE - Foundation - Cpp Tools - Hot Reload - Nov 21, 2017class default value after c++ class compile will temporary initialized. It will be restored when opening the project again. ...
MoviePipeline Project Settings can't refer to Plugin classes
UE - Anim - Sequencer - Feb 12, 2022A workaround might be to use the CDO of your plugin to reach out to the Editor settings and assign itself to the fields you want. This removes the users ability to choose between multiple options. ...
Can't set "r.Shaders.Optimize" to false in UE5.4
UE - Rendering Architecture - Shaders - Jun 7, 2024The CVar "r.Shaders.Optimize" cannot be set to false from DefaultEngine.ini in the section "[ShaderCompiler]" as its help text describes. Also tested on UE5-Main, CL: 34200103 ...
When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, ignoring the PlayerControllerIndex.
UE - Niagara - Nov 8, 2024When a Niagara System has SimTarget set to GPUCompute Sim, CameraQuery is only returning data from the Player0 camera, regardless of PlayerControllerIndex. The expected behavior would be to have the ...
Actor Dropped at Wrong Location During PIE
UE - Editor - Applied Usability - Apr 3, 2025When attempting to drag and drop an actor from the Content Browser into the level viewport during PIE, the actor is not placed at the mouse cursor location if the Player Controller is attached. Inst ...
CPU Lightmass generates different lighting results on a landscape if executed via a commandlet vs through the editor
UE - Graphics Features - Jul 3, 2025Building lighting via commandlet and via editor are giving different results. To prevent one method from polluting the other via Swarm cache, the cache needs to be cleared in between tests. ...
Inconsistent warning with actor root component mobility setting
UE - Gameplay - Oct 27, 2016When an actor class sets the root component mobility to Static or Stationary, spawning an instance of the class (or child blueprint) during runtime will print a warning message in the output log of ...
Static Meshes in Precomputed Visibility Cells are not occluded by landscape
UE - LD & Modeling - Terrain - Landscape - May 5, 2016When using precomputed visibility on device for occlusion culling the landscape does not take the cameras view into account for culling objects when out of view of the camera and inside a visibility ...