Unreal Engine Issues
Unreal Engine Issues
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Landscape smooth and flatten tools deform the terrain incorrectly
UE - Graphics Tools - Terrain - Landscape - May 25, 2022The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...
Setting World to Meters in the World Settings to a large number will cause the console to show incorrectly in VR
UE - Platform - XR - Jan 4, 2016If the User changes the "World to Meters" setting in the World Settings this will cause the console to appear offset when brought up in VR. Note: the number used was 3600 ...
Material billboards cannot be scaled
UE - Graphics Features - Oct 17, 2016Material billboards cannot be scaled. The Material billboard appears to be unaffected by setting its scale ...
Shadows of small movable components popping out
UE - Graphics Features - Jan 19, 2017This must be a regression ...
Level export to FBX with actor X axis negative scale has issue in 3ds MAX
UE - Editor - Content Pipeline - Datasmith - Importer - Jul 20, 2020The fbx exporter set the fbx axis system like 3ds max, so the max importer is not converting the incomming transform. see: ...
Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes
UE - Niagara - Feb 17, 2022The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...
Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files
UE - Editor - Workflow Systems - Jul 7, 2022Particle disappears if it is using PSA_Velocity and setting custom time dilation 0
UE - Graphics Features - Dec 7, 2016A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...
Widget blueprint details panel appears to jitter when dragging widgets in the designer tab
UE - Editor - UI Systems - Feb 1, 2019When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...