Unreal Engine Issues
Unreal Engine Issues
"Literal Enum" BP node outputs wrong value when the input pin is connected
UE - Framework - Blueprint - May 17, 2024This behavior was not observed up to UE 4.19, but it can be reproduced in all versions from 4.20 to 5.4. When a "Literal Enum" node is used inside a blueprint and an enumeration value is chosen fro ...
Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position
zComponent - Archive - Mar 28, 2025A Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position. The licensee has encountered a particular s ...
Crash when using Mesh Reduction on ScotsPine_01 for LOD3
UE - Graphics Features - Jan 30, 2017A crash occurs when trying to use the Mesh Reduction tool for the ScotsPine_01 static mesh from the Open World Demo collection. The assets from this project are usually very processor heavy due to ...
Collision Responses will reset to previous setting after changing the Preset Collision Profile
OLD - Anim - Mar 1, 2017Collision Responses will reset to previous setting after changing the Preset Collision Profile. After the change is made and "Accept" is pressed, the Collision Responses will still have the old ch ...
Slider Values are not working inside of a blueprint
UE - Gameplay - Blueprint - May 7, 2015Slider Values are not working inside of a blueprint in 4.8 Preview 1. User Description: Problem with the numeric float/int boxes in the editor in Blueprints, if for example open the TPS Template a ...
Assert when having too many VR devices
UE - Platform - XR - Aug 31, 2018Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...
Ray Traced Translucency causes artifacts when rotating a Static Mesh that is far away from center of the map
UE - Graphics Features - Jun 17, 2022Tested in //UE4/Release-4.27 CL#18319896 Ray Traced Translucency causes artifacts when rotating a Static Mesh in the 'Open World' level when moved far away from the center of the map. The Artifacts ...
Meshs in a hidden sublevel may generate incorrect navmesh
UE - AI - Navigation - Nov 6, 2020If the level has hidden sublevels, the regenerated navmesh result appears to have a hidden sublevel mesh placed at the origin. Apparently, the reason is that bNavigationRelevant is no longer consid ...
Crash Importing Skeletal Mesh LODs with a lot of morph targets
OLD - Anim - May 18, 2016Crash Importing Skeletal Mesh LODs with a lot of morph targets Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 785] Array index out of bounds: 2 from an ar ...
Assertion failed: InputOboeStream != nullptr when changing levels with Android voice enabled
UE - Audio - Jan 7, 2020Assertion failed: InputOboeStream != nullptr when changing levels with Android voice enabled User was able to workaround the issue by replacing Audio::FAudioCaptureAndroidStream::CloseStream() wi ...