Unreal Engine Issues
Unreal Engine Issues
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. ...
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 ...
Moving a section with multiple same name tracks in sequencer causes unexpected track swapping
UE - Anim - Sequencer - Oct 4, 2019SceneTexture [SceneDepth] is not displayed correctly in ES3.1Preview
UE - Platform - Mobile - Oct 4, 2019It will be displayed correctly when launched with XperiaXPerformance. ...
Crash when placing a native UserWidget in a panel within another UserWidget
UE - Editor - UI Systems - Oct 7, 2019The engine crashes when trying to initialize a native UserWidget within another widget. This happens because UUserWidget::GetSlotNames gets called before the widget tree is initialized, and we don't ...
Mesh Paint can fail to find vertices using physics collision query
Tools - Oct 8, 2019Mesh paint is for painting the vertices of a mesh, but in part uses physics collision queries to detect hits and search for vertices. (see FMeshPaintGeometryAdapterForSkeletalMeshes::LineTraceCompon ...