Unreal Engine Issues
Unreal Engine Issues
Provided example Control Rig Python scripts that feature calls to GetControlRigBlueprint need to be updated to GetControlRigAssetInterface.
UE - Anim - Rigging - Control Rig - Dec 9, 2025The unreal.ControlRigContextMenuContext.get_control_rig_blueprint() this function has been deprecated in Unreal Engine 5.7. As a result, the Python scripts included with the Control Rig plugin no ...
Incorrect CRC hash for shared fragments with FInstancedStruct member
UE - AI - Mass - Mar 30, 2026User has encountered an issue with shared fragments that contain a member variable of type FInstancedStruct. It appears that UE::StructUtils::GetStructInstanceCrc32() does not correctly compute the ...
Console Command `Stat SceneRendering` is showing incorrect number of Lights in scene
UE - Graphics Features - Jan 8, 2016When using the Console Command for Stat SceneRendering the Counter section for "Lights in scene" is not accurately listing the number of lights. In a 4.10 project an empty new level is showing 16 ...
Point and Spot lights no longer work in Orthographic Projection Mode
UE - Graphics Features - Dec 30, 2016Point and Spot Lights no longer work when using the Orthographic Camera Projection Mode. Note that the Directional Light still works as intended. This is a regression from behavior that worked in ...
Sound cue will ignore sound mix settings if settings are called in game instance
UE - Audio - May 31, 2017When using a Game instance to modify the sound in the editor the sound will ignore settings made by game instance. This issue appears to be occurring only in the editor, as running the game in stand ...
Split pins of Function inputs do not correctly update if variable type is changed
UE - Gameplay - Blueprint - Aug 30, 2017When using the inputs of a function, splitting a variable and then changing its variable type does not properly update the node as expected. This occurs with any variable type that can be split. Sav ...
[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()
UE - Foundation - Core - UObject - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...
Folder disappears upon cancelling renaming by pressing ESC key twice
UE - Editor - Content Pipeline - Content Browser - Sep 27, 2017Working: 4.16 Broken: 4.17.1, 4.17.2, 4.18 When cancelling the renaming of any folder or sub-folder in the Content Browser by pressing ESC key twice, folder or sub-folder will not be visible in Co ...
Fix world to meters scale
UE - Platform - XR - Apr 11, 2018Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...
Reimporting of skeletal mesh results in a scrambled skeletal mesh
UE - Editor - Content Pipeline - Import and Export - Oct 17, 2025When we reimport our skeletal meshes with updated FBXs, the resulting skeletal mesh is scrambled up. See Scrambled.jpg attached. This does not affect every single reimport but happens randomly. W ...