Unreal Engine Issues
Unreal Engine Issues
"Favorite Levels" not persisting correctly when changed in the Editor
UE - Editor - Workflow Systems - Nov 21, 2023In the Level Editor's "File" menu, there is a "Favorite Levels" list, which is persisted in the config file "EditorPerProjectUserSettings.ini" under section "[FavoriteFiles]". Manually editing this ...
PCG graph always resave in the ResavePackage commandlet
UE - World Creation - Procedural Tools - PCG Graph - Nov 20, 2023The package that contains the PCGGrapch is dirtied on load (UPackage::SetDirtyFlag) which triggers a resave operation. I traced it back to the following callstack: UnrealEditor-CoreUObject.dll!UPac ...
FPropertySoftPath::Resolve doesn't resolve c-array elements properly
UE - Gameplay - Nov 20, 2023a fix was proposed in the UDN but it needs to be tested and revised ...
Deleting BP instances that have dynamic delegate bindings with other actors can cause those other actors to have stale actor desc references
UE - World Creation - Worldbuilding Tools - World Partition - Nov 20, 2023The message can be resolved by resaving the actor desc. ...
Expensive WaitForTask in SceneCapture2D
UE - Rendering Architecture - Nov 20, 2023UDN users have reported that expensive scene captures stall the render thread due to RDG flushing the RHI thread for resource deletion. This only needs to happen once per frame. ...
Ledge Movement Stuck (CheckLedgeDirection is always returning true)
UE - Gameplay - Nov 20, 2023The issue appears to that CheckLedgeDirection almost always returns true, which returns the leftward side step. This is correct for the leftward direction, but is not valid for the rightward directi ...
Movie Render Queue shows different behavior when a sequencer window is opened
UE - Anim - Sequencer - MRQ - Nov 20, 2023When running Movie Render Queue job for a sequence which uses FKControlRig and a sequencer window is opened, Track->ReplaceControlRig() is called every single frame, not only an initial frame. This ...
Error using Panoramic Capture Plugin with an absolute path
Media Framework - Nov 17, 2023When using the Panoramic Capture Plugin to render 360-degree images, it is possible to specify the output directory of the generated files. This can be any absolute path, or any relative path starti ...
SplineMeshActors all share the first spline placed rather than their own spline when using the mobile renderer.
UE - Graphics Features - Nov 17, 2023SplineMeshActors all share the first spline placed rather than their own spline when using the mobile renderer. This was first reported in this UDN: https://udn.unrealengine.com/s/question/0D54z0000 ...
Single sided complex collision mesh collision blocks character movement from backside
UE - Simulation - Physics - Query - Nov 17, 2023Commenting out the branch in FTriangleMeshSweepVisitor::VisitSweep is a work-around.if (CullsBackFaceSweepsCode != 0) { if (VectorMaskBits(IsBackFace)) { // Don't cull the back face ...