Unreal Engine Issues
Unreal Engine Issues
"Navmesh needs to be rebuilt" error message while running a Listen Server and Client
UE - AI - Navigation - Mar 1, 2022Navmeshes produce a "Navmesh Needs to be rebuilt" error while running a Listen Server and a Client. ...
[Device Swap] - Ensure when connecting a controller or USB audio device while audio is playing in PIE
UE - Audio - Mar 11, 2022Ensure when swapping to a newly connected USB audio device. {no format} Ensure condition failed: Cache.Contains(DeviceIdName) [\build++UE5\Sync\Engine\Source\Runtime\Windows\AudioMixerXAudio2\P ...
Incorrect keying when a Transform Origin is applied
UE - Anim - Sequencer - Mar 28, 2023See steps to repro. Our key recomposition algorithms need to take into consideration the Transform Origin manipulations. ...
Groom Assets do not cast shadows when the shadow casting light is close to the groom and virtual shadow maps are in use
UE - Graphics Features - Mar 19, 2024When a shadow casting light is closer to the groom than some proportional amount the groom is away from the shadow catcher, the groom's shadow will disappear. This only occurs using VSMs. Raytraced ...
Blueprints might get corrupted after inheriting multiple times.
UE - Framework - Blueprint - May 17, 2024Blueprints might get into a corrupted state when they are inherited for a big number of times. Starting from a C++ class, if you then create a BlueprintClass from the C++ class, and keep creating ne ...
Remote player aim pitch is not precise when viewed by another player
UE - Gameplay - Mar 19, 2025Blueprint compiler doesn't always initialize struct consts correctly
UE - Framework - Blueprint Compiler - May 1, 2025Blueprints currently don't support unsigned 64 bit ints, but they do support signed 64 bits. If a Blueprint uses a native struct variable that contains a uint64 property, it incorrectly assigns that ...
Static meshes viewed in the static mesh editor in orthographic side view are becoming white after a couple of seconds when quality preset is maximum.
UE - Rendering Architecture - Jun 18, 2025Context: Orthographic views are used to have a 2D view of a 3D object providing precise control over object placement and alignment. This can be used for projects like isometric games and architectu ...
Character blueprint tick function does not behave properly
UE - Gameplay - Jul 2, 2015Character tick event will continue to trigger even if Start with Tick Enable is set to false. Workaround: Setting "Set Actor Tick Enable" to false on Begin Play will prevent the tick event from t ...
Crashreporter.exe does not appear in packaged projects
UE - Foundation - Core - Oct 30, 2015Crash Reporter does not get packaged with development build projects when they have "Include Crash Reporter" set to true in packaging options. ...