Unreal Engine Issues

Spawned actors with meshes become invisible in editor after changing level

When moving actors spawned from within the editor to a new sublevel, their meshes stop rendering. However, if you open a new level then re-open the old level the meshes become visible again. You wil ...

Disallow assigning external textures to Slate widgets

External 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. ...

Niagara Translucency Sorting Issue with GPUCompute Sim

Niagara translucency sorting mode doesn't apply to a particle set to be GPUCompute Sim. Found in 4.20 CL# 4302132 and 4.21 CL# 4348893 ...

Select All Descendants in World Outliner Does Not Highlight Everything Selected in Sub Folders

Selecting 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

Clothing 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

In 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 ...

Movable Point Lights Don't Cast Volumetric Shadows From Meshes Whose Materials Have Tesselation Enabled

Point lights don't cast volumetric shadows from meshes with materials with tessellation, even if tessellation multiplier is 0.  Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4347190 ...

Can't select BSP in sublevel after change Level Tile's position

ARKit Crash with Session Type: Image

AR app crashes when starting AR session if session type is set to "Image". Also confirmed in Main CL 4346626 ...

Sequencer XML generates wrong File Path for Image Sequence

Outputing Image Sequences like {shot}/{shot} _ {frame} .png for example, the xml file doesn't reflect the right path because it's referring to .avi files. We can't find and replace avi files in ...