Unreal Engine Issues
Unreal Engine Issues
Screen Probes and Specular Firefly Flickering near screen edges
UE - Rendering - Graphics Features - Lumen - Aug 6, 2024Lumen's rough specular indirect lighting buffer can have fireflies along the bottom and right edges of the screen. Also tested in //UE5/Main, CL: 35177423 ...
LIVE: Print string not working when nav mesh bounds volume information is pulled up
UE - AI - Nov 12, 2014After place a Nav Mesh Bounds Volume into a level, launching the game and pressing the [ ' ] key to show information about the Nav mesh the print string stops working. If the User closes the game w ...
A Pass-by-Reference function input cannot accept a reference to Self
UE - Gameplay - Blueprint - Dec 30, 2014A Pass-by-Reference function input cannot accept a reference to Self. Workaround: Cast from Self to the desired class and use that for the function's input. ...
Looking at several BPs during play, that add multiple static meshes in construction script, drops the FPS
UE - Graphics Features - Jan 9, 2015Looking at several blueprints during play, that add multiple static meshes in their construction script, drastically drops the FPS. As a workaround, I suggested to the user that he should use Insta ...
Crash when unplugging the Oculus Rift HMD while level is loading
UE - Platform - XR - Jan 12, 2017If the user unhooks their Oculus HMD (USB cable) from the PC while a level is loading the editor will crash ...
After loading a SubLevel from the PersistentLevel of WorldComposition, the offset of WorldComposition is applied when loading the SubLevel alone
UE - World Creation - Worldbuilding Tools - World Composition - Aug 30, 2018When loading a Sub Level from the Persistent Level of World Composition, the offset of WorldComposition is applied when loading the Sub Level by itself. The offset can be applied repeatedly when rel ...
Scrubbing material roughness value in MI causes large frame drops
UE - Rendering - Architecture - Materials - Apr 30, 2022Add World Rotation applied to a Static Mesh simulating physics behaves erratically
UE - Simulation - Core - Jun 28, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Add World Rotation applied to a Static Mesh simulating physics behaves erratically. ...
FarShadow range not considered in GetViewDependentWholeSceneProjectedShadowInitializer
UE - Platform - Mobile - Mar 30, 2026Cascade index 0 is passed into GetViewDependentWholeSceneProjectedShadowInitializer. I think the intent of MaxShadowCascades = 1 and requesting cascade index 0 is to get a single bounding volume for ...
Structure variables in Child Blueprints do not maintain the default values set in their Parent Blueprints
UE - Gameplay - Blueprint - Jan 12, 2015Values changed to an inherited Struct variable in a Child Blueprint will be kept after compile, but any not changed will be set to 0s. ...