Unreal Engine Issues
Unreal Engine Issues
Volumetric Lightmap Holes Appear Every Fifth Build
UE - Graphics Features - Sep 11, 2018Volumetric lightmap holes appear every fifth build. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4348893 ...
Double-Sided Geometry Collision Doesn't Work When Using Set Physics Linear Velocity
UE - Simulation - Physics - Sep 10, 2018Double-sided geometry collision doesn't work when using physics set linear velocity. This does not occur when using floating pawn movement or character movement components. Working as expected in 4 ...
Disallow assigning external textures to Slate widgets
UE - Editor - UI Systems - Slate - Sep 7, 2018External textures cannot be directly assigned as a brush texture; you need to assign a material that samples from an external texture instead since it generates special shader code to access it. ...
Select All Descendants in World Outliner Does Not Highlight Everything Selected in Sub Folders
Tools - Sep 7, 2018Selecting all descendants of a folder hierarchy in the world outliner doesnt accurately show what all is selected. This does not always occur and is a visual bug. The items in the level are still se ...
Clothing Pops on start and LOD switching
UE - Simulation - Physics - Character - Sep 6, 2018Clothing can have noticeable popping when switching LODs, and there is currently no mechanism to initially start cloth in a resting pose, causing popping on spawn. ...
NavLink component does not account for the cost of the path set by AreaClass
UE - AI - Sep 6, 2018In the test case, the NavLink component has a navigation cost of 1000000000. When the AI navigates to the NavLink the printed cost is only 2677. It is believed that the AreaClass isn't being taken i ...
ARKit Crash with Session Type: Image
UE - Platform - XR - Sep 6, 2018AR app crashes when starting AR session if session type is set to "Image". Also confirmed in Main CL 4346626 ...
Crash When Trying to Set Default Values to a Structure That Includes a Transform Variable
UE - Gameplay - Sep 6, 2018The Editor will crash when trying to set default values to a structure that includes a transform variable. Found in 4.19 C# 4033788, 4.20 CL# 4302132. 4.21 CL# 4347190 ...
Datasmith imports glossiness Texture as a Normal Texture
UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 6, 2018The Datasmith Importer for 4.20 (4.20E2) imports Glossiness Textures as Normal Maps. This is a regression from 4.19.2 (0.182) as Glossiness Textures were imported as World Textures ...
Component default data can be lost for a non-nativized Blueprint class that inherits the component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - Sep 5, 2018This is a regression that was introduced by the fix for [Link Removed]. The fix makes an invalid assumption that instances of components whose archetypes are inherited by a non-nativized child Blue ...