Unreal Engine Issues
Unreal Engine Issues
Incorrect transforms when breaking a packed level actor
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023See "Steps to Reproduce" ...
Shadow in Sky Reflections
UE - Graphics 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 Architecture - 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 - World Creation - Worldbuilding Tools - 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 - Graphics 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 ...
AfterMotionBlur Translucent Material With Local Exposure Enabled Causing Artifacts
UE - Graphics Features - Feb 20, 2025When TSR is enabled, translucent materials using the AfterMotionBlur translucency pass cause visual artifacts when local exposure is active. The artifacting is believed to occur because the local ex ...
LastRenderTime does not update when Occlusion Culling is disabled
UE - Graphics Features - Feb 25, 2025When disabling Occlusion Culling, Components will not have their Last Render Time updated. ...
Stationary light shadow are occluded for additional players in split-screen mode
UE - Graphics Features - Jun 17, 2015When using split screen multiplayer the second or more players that are added for split screen will have their characters shadows occluded when the bounds are not within view of player 1. Setting ...
Editor crashes if opening a sublevel containing a navmesh when persistent level is open
UE - AI - Sep 8, 2015If the persistent level is open and a user attempts to open a sublevel that contains a navmesh, the editor will freeze and then crash. Frequency: 3/3 Crashreporter: N/A ...