Unreal Engine Issues
Unreal Engine Issues
Landscape Tessellation Issues
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019We are having a display issue with tiled landscapes displaying well below full tessellation in editor, but displaying fine in game. We can "fix" this issu by unchecking "Use Default Falloff" in deta ...
Landscape Layer Blend generates bad code for preview shader
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019It breaks only when compiling the preview shader. Adding a preview weight to the Layer0 on the Layer Blend node fixes the problem. The source of the bug is in UMaterialExpressionLandscapeLayerBlend ...
Divide by zero in beam update can cause editor to crash in Cascade
UE - Niagara - Sep 23, 2019The licensee has traced the issue back to a divide by zero in UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...
Camera Fade does not work when HDR is enabled
UE - Graphics Features - Sep 24, 2019This issue only occurs when HDR is enabled. If it is not HDR, Camera Fade will work. The setting of the sample project is switched by Level Blueprint.[Image Removed] ...
ClearMotionVector does not clear cloth motion blur velocity
UE - Graphics Features - Sep 24, 2019ClearMotionVector does not clear cloth velocity that causes temporal AA or motion blur. ...
Chaos No Editor Development Build Errors
UE - Simulation - Physics - Sep 30, 2019During run-time of a no editor development build using chaos, errors with GeometryCollectionDrawComponent are logged and Geometry Collections remain floating in the air, not fracturing as expected. ...
Sequencer crashes when scrubbing characters with sub-anim instances and montage slots
OLD - Anim - Oct 2, 2019I saw a following assertion. Assertion failed: (AdditivePoses.Num() > 0) || (NonAdditivePoses.Num() > 0) [Link Removed] [Line: 1381] This is my quick fix// code placeholder void FAnimInstance ...
LightMap is created exceeding [Packed Light and Shadow Map Texutre Size]
UE - Graphics Features - Lumen - Oct 3, 2019When LightBuild is performed with CornTestBox.umap of EngineTest, 4096 light maps are generated even though [Packed Light and Shadow Map Texutre Size] is 1024. The reason is that the asset's LightMa ...
Crash when resizing window using Quad Stereo Buffer
UE - Virtual Production - nDisplay - Oct 2, 2019We noticed crashes in our application when we attempted to resize a window or switch to full-screen mode. Hence, resizing windows and switching to full screen will result in a crash on Unreal Engine ...