Unreal Engine Issues
Unreal Engine Issues
Hot Reload fails if a project and Engine are placed next to each other in the same root folder that has the same name as the project
UE - Foundation - Cpp Tools - Hot Reload - Jan 8, 2019Hot Reload does not work if a project and the Engine that project is associated with are placed next to each other in the same root folder that shares the same name as the project. During the Hot Re ...
XR -ARKit - Tracked Planes are not attached to the real world objects when moving the camera around
UE - Platform - XR - May 22, 2024When the user attempts to place an object on a tracked plane it slides around the environment not staying in the expected place. Using the ARDebugcheck project with the show planes option you can se ...
Translucent light grid injection behavior
UE - Graphics Features - Nov 15, 2024Light injection into the Translucent Light Grid voxels does not use the correct location for clipping or attenuation. Both of these points are outside the voxel that is being updated. Light attenua ...
When using 'r.VT.SplitPhysicalPoolSize 64' with nanite meshes, mesh painting does not update in real time (only updates after stroke finished), duplicates mesh painting across separate instances of a mesh, and sometimes doesn't show up in PIE.
UE - Rendering Architecture - Mar 3, 2025When using Mesh Painting on nanite meshes in 5.5 with 'r.VT.SplitPhysicalPoolSize' set to non-zero values (e.g. 16, 64), several issues occur, such as: 1. Painting doesn't update in real time (only ...
Attempting to use the GameplayTags module in a binary code project will result in build failures in Visual Studio.
UE - Foundation - Core - Mar 27, 2015Using the GameplayTags module in a code project created with the binary version of the Engine results in a build failure in Visual Studio. The following error is shown: 1> D:/Epic Games/4.7/Engine ...
Sequencer autosorts alphabetically on undo
UE - Anim - Sequencer - Sep 8, 2023[Link Removed] Jan Kaluza 2023-09-08 15:37:18 UTC I just ran into a very frustrating bug: I have around 60 actors in a sequence, and I reordered them to be in the order that I wanted to animate them ...
WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node
UE - Rendering Architecture - Materials - Jan 31, 2024This comes from this UDN : [Link Removed] It occurs with this setup : [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...
Direct Capsule Shadows with Point Lights also project shadow on opposite side and direction
UE - Graphics Features - Dec 14, 2016When using a Direct Capsule Shadows on a skeletal mesh with a Stationary Point light, depending on the point lights placement, light source radius, and nearby surfaces will cast the shadow on the op ...
UE4Editor does not start when there are no audio devices available
UE - Platform - Linux - Sep 26, 2018UE4Editor does not open when there are no audio input or output devices available. The editor hangs at 83% after it initializes the AudioMixer. This issue looks like it was caused by CL 4396954. Et ...
When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously
UE - Simulation - Physics - Jul 18, 2019When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...