Unreal Engine Issues

Widget With Spinbox Crashes When Destrcutor Is Called With Multithreaded Destruction Enabled

When a widget with a spinbox is calls it's Destructor with "Multithreaded Destruction" enabled the engine crashes. I have tested in 4.23.1, 4.24.3, and 4.26 Main with "Multithreaded Destruction" dis ...

Volumetric fog flicker side screen

The flicker is visible in Epic scalability as well, it is just smaller on screen because the fog voxels are smaller (r.VolumetricFog.GridPixelSize). ...

Inconsistent Behavior in TextureLODGroups when setting NumStreamedMips=0

A licensee has reported that it is not possible to disable texture streaming of a given TextureLODGroup by setting "NumStreamedMips=0" in their device profiles. Currently, using 0 results in the sam ...

Distance Field Ambient Occlusion artifacts when using dynamic resolution

Distance Field Ambient Occlusion produces artifacts when using Dynamic Resolution at lower framerates. ...

GPU Particle Collision changes based on Normal Intensity on Colliding Surface

Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...

Attaching a Skeletal Mesh by setting it's Parent Socket causes the mesh to be offset and rotated

Attaching a Skeletal Mesh by setting it's Parent Socket causes the mesh to be offset and rotated User Description: I still need to test using the BP you recommended. I tried again using the charac ...

Auto Reimport of FBXs saved out from Maya 2015 Fail

FBX assets which are reimported after being successfully imported using the auto import feature (saving the FBX to the Content Folder) are failing to apply changes made to the mesh in Maya 2015, Use ...

Standalone Window Size Not Displaying In Fullscreen

Setting the standalone window size does not seem to have any effect, and using the -fullscreen parameter does not display the window in fullscreen. Setting the Standalone Window Size to 1920x1080 a ...

BSP Converted to Static Mesh with Multiple Materials Will Only Show Element 0 After Migrating and Changing LOD Settings

If using Launcher build, Advertising Identified (IDFA) code for iOS can NOT be disabled by project settings

By [Link Removed], user can disable IDFA without customizing engine code. But, if using Launcher build, the added settings( Enable Advertising Identified(IFFA) ) does NOT work correctly. Because eng ...