Unreal Engine Issues
Unreal Engine Issues
Slight menu lag when using Vulkan on Linux
UE - Platform - Linux - Dec 12, 2018When using the UE4 Editor with Vulkan there is a slight lag when navigating through the menu options. This lag is not present when launching with OpenGL nor is it present on Windows with -vulkan. ...
The Temporal console variable has the wrong value
UE - Graphics Features - Aug 20, 2019The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...
Forward Rendering Lightmap Density view flicker
UE - Graphics Features - Aug 20, 2019The shaders flicker when in Lightmap Density viewmode after enabling Instanced Stereo Rendering in Project Settings > Engine > Rendering > VR Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), ...
Casade debug cone is drawn at the wrong rotation
UE - Niagara - Aug 21, 2019The B 3DDraw Mode functionality draws at the wrong rotation for the Velocity Cone module. It seems to draw 90 degrees off. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P7 (CL - 8115 ...
The Perspective grid Z Fights with meshes placed in world (regression)
UE - Graphics Features - Jan 12, 2017The editor grid will zfight with meshes that intersect the grid in the 3d viewport. Creates and unpleasant experience while working with the grid turned on. Repro: 1. Launch Editor 2. create new ...
Crash while trying to import a C4D file with Animation via Datasmith
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 10, 2020The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...
Moving actor to another level breaks soft object reference
UE - Gameplay - Jun 9, 2020REGRESSION: In 4.24, there was a fixup process that would allow the soft reference to remain valid. This seems to be missing in 4.25 Moving an actor to another sublevel immediately breaks soft ref ...
Fbx Importer: Make sure the blendshape curve keys have the correct tangent scale
UE - Anim - Oct 4, 2021The tangent of the blendshape curve seam to have the wrong scale (but correct direction) from this UDN. https://udn.unrealengine.com/s/question/0D54z000079J03OCAS/skip-compressing-anims-and-buildin ...
USplineComponent::CalcBounds is not defined in shipping builds
UE - Editor - Jul 12, 2022USplineComponent::CalcBounds is not defined in shipping builds (presumably the thought being that nothing can be rendered in shipping, and hence no scene capture required). But if CalcBounds is use ...
Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.
UE - World Creation - Worldbuilding Tools - Dec 6, 2024When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...