Unreal Engine Issues

"Navmesh needs to be rebuilt" error message while running a Listen Server and Client

Navmeshes 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

Ensure 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

See steps to repro. Our key recomposition algorithms need to take into consideration the Transform Origin manipulations. ...

Blueprints might get corrupted after inheriting multiple times.

Blueprints 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

Blueprint compiler doesn't always initialize struct consts correctly

Blueprints 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.

Context: 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

Character 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

Crash Reporter does not get packaged with development build projects when they have "Include Crash Reporter" set to true in packaging options. ...

Matinee tracks do not override Sound Notifies from AnimToPlay when using "Initial Position"

In the attached project, there is an animation (with a sound notify) plugged into the AnimToPlay slot. The Initial Position is set to 0.5. The matinee in the scene overrides the animations applied ...