Unreal Engine Issues
Unreal Engine Issues
Oculus Hand Components trigger a crash when Hand Tracking Support is changed
UE - Platform - XR - May 9, 2022Oculus Hand Components trigger a crash while playing in editor when Hand Tracking Support is changed to Hands Only. ...
GPU Lightmass and HLOD not working
UE - Rendering - Features - Nov 4, 2022(Enduring Games) Conversation with customer includes test project within which the config changes are also present for review. ...
Incorrect transforms when breaking a packed level actor
UE - Engine Scaling - Streaming - Level Instances - Aug 14, 2023See "Steps to Reproduce" ...
Shadow in Sky Reflections
UE - Rendering - Features - Lumen - Nov 10, 2023It looks like the DistantScreenTrace(...) in LumenScreenTracing.ush reports a false positive hit in the dark regions. Using screen trace visualization reports the distance in these regions as 65535. ...
UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset
UE - Graphics Tools - Terrain - Landscape - Mar 28, 2024A material on a landscape with WPO will cause major ghosting, even if that WPO is a dynamic {0,0,0} ,such as from a black texture. ...
Nanite static mesh components are not individually highlighted when selected
UE - Rendering - Features - Nanite - Apr 30, 2024Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...
Editor Crash When Using FRequestPlaySessionParams GlobalMapOverride To Load World Partition Map
UE - Engine Scaling - Streaming - Data Layers - Dec 6, 2024The licensee has been using a custom CVAR to launch directly into PIE for a world partition level. Since updating to 5.4, this now causes an editor crash. The main factor appears to be whether or no ...
UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100
UE - Rendering - Features - Dec 17, 2024When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...
LastRenderTime does not update when Occlusion Culling is disabled
UE - Rendering - Features - Feb 25, 2025When disabling Occlusion Culling, Components will not have their Last Render Time updated. ...
[AI] StateTree Category = Input validation doesn't validate child properties
UE - AI - StateTree - Oct 10, 2025Normally if you have a property in your state tree instance data of the input property(Category = Input), when you compile the state tree, you will get errors if the property does not have a binding ...