Unreal Engine Issues
Unreal Engine Issues
Undoing pasting a component will crash ([CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::IsValid() [weakobjectptr.cpp:48])
UE - Gameplay - Components - Jul 20, 2017This is a common crash affecting users in 4.16. The callstack is similar to [Link Removed], which was fixed in 4.13. User DescriptionsAccidentally duplicated a blueprint with multiple static mesh ...
TransformVector node break compilation material instance but primary material is successfully compiled
UE - Graphics Features - Jan 31, 2018There is an issue occuring where TransformVector node break compilation material instance but primary material is successfully compiled. When using a custom node to set the value this node intends t ...
Is Editor Only setting excludes asset from map in packaged builds but does not exclude it from the package
UE - Foundation - Core - Cooker - Mar 29, 2018Setting an instance of an asset in a level to "Is Editor Only" will cause the asset to not be present in the level in a packaged game, but the asset is still included in the cooked content for the g ...
EnableGameSound in PIE settings won't work after LoadMap is called
Tools - Jan 11, 2019When PIE is started with the Enable Game Sound box unchecked, we set master volume to 0 to mute game sounds. However, any call to LoadMap will both flush the audio device and set the volume back to ...
Skeletal Meshes load unused textures into memory from hard referenced assets. (Skeleton, Physics Assets)
UE - Foundation - Core - UObject - May 1, 2019Physics Assets & Skeletons referenced by the skeletal mesh will load materials & textures from their default skeletal meshes into the statistics window. Either the statistics window is incorrect abo ...
Vehicles with at least one kinematic collision do not function anymore
UE - Simulation - Physics - Oct 30, 2019Using at least one source of kinematic collision on a vehicle causes animations or movement to not function any longer. This issue persists on child bones and collisions as well. Users are unable to ...
Moving assets in the Editor fails to fixup references causing the project to generate errors
Tools - Mar 30, 2020Moving assets in the Editor is very unreliable. References may or may not be fixed up. No direct error is presented or a warning about problems. Any moves of the gameinstance, string table or certai ...
Collision settings of an Instanced Static Mesh setup in the Construction Script are not preserved when the Actor is added to an Instanced Level
UE - Framework - Components - May 23, 2022Tested in //UE4/Release-4.27 CL 18319896 using Level Streaming the camera was ignored by the ISM_Cube. Collision settings of an Instanced Static Mesh setup in the Construction Script are not preser ...
[AI] Assert leading to crash in FRecastTileGenerator::AddReferencedObjects
UE - AI - Navigation - Dec 9, 2022Licensee has reported a couple cases of an assert happening stemming from FRecastTileGenerator::AddReferencedObjects in a built game. They are limiting the MaxTileGeneratorTasks to 1. The crash occu ...
The Editor "Show Frame Rate and Memory" does not display the intended output on macOS.
UE - Platform - Apple - Jan 11, 2023Repro Rate: 5/5 This is a live issue that has been tested in the Binary build of //UE5/Release-5.1 at CL 23058290 and DOES NOT OCCUR in Windows and Linux but DOES OCCUR in Mac. This was tested on d ...