Unreal Engine Issues
Unreal Engine Issues
Crash when spawning actor with no viewport initialized
UE - Editor - Workflow Systems - Nov 22, 2023If an attempt to spawn an actor is made before the Level Editor Viewport is fully initialized (i.e. before it has had a chance to get rendered at least once), and that actor has no specific Factory ...
Volumetric clouds jitter when in front of geometry
UE - Graphics Features - Nov 30, 2023Potentially related to [Link Removed], but distinct. ...
Widgets will bind input delegates to the Player Controller's Input Component, but never unbind them
UE - Editor - UI Systems - UMG - Jan 30, 2024This is a bug introduced with 18468289 a while ago. We added this functionality for [Link Removed], which allows input event nodes to be placed within widgets and have them behave correctly. This ...
Atmosphere Sunlight shafts, artifacts, for both cascaded and virtual shadow maps.
UE - Rendering Architecture - Feb 5, 2024Very large objects casting dynamic shadows on the sky atmosphere can lead to flickering (cascaded shadow maps) or square patterns (virtual shadow maps). ...
Lumen indirect lighting artifacts when far from world origin
UE - Graphics Features - Lumen - Feb 6, 2024Lumen seems to not be using Large World Coordinates somewhere. The Lumen Scene develops artifacts at large distances (5000 KM) from the world origin. ...
Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment
UE - Gameplay - Feb 13, 2024In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...
When the Initial Position of an Animation Asset is entered outside the expected range, the animation gets stucked and does not refresh.
UE - Anim - Runtime - Mar 18, 2024The animation gets "corrupted" when the Initial Position value has an invaildad value. In this case, this means that the Initial Position value is outside the range of the duration of the Animation. ...
UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset
UE - LD & Modeling - 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. ...
Look at Android GetTimeStamp local file handling
UE - Platform - Mobile - May 29, 2020Only files in UFS or NonUFS manifest that are local are returning a non-minvalue timestamp. While this is expected it is causing issues with logging file handling. See: https://udn.unrealengine.co ...
Shader Complexity not working correctly on Deferred Decals
UE - Graphics Features - Sep 3, 2020If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...