Initializing custom Component on Actor in constructor causes odd hierarchy and details panel issues

Gameplay - Blueprint - Feb 19, 2019

When testing with a simple setup, as follows: MySceneComponent has a UProperty(VisibleAnywhere, BlueprintReadOnly) of a USphereComponent pointer, initiated in the Constructor AMyActor has a UProper ...

ISM is not transformable in standalone if mesh distance fields are generated

Rendering - Feb 15, 2019

Instanced static mesh is not transforming when running in standalone or a packaged project. The collision of the mesh will scale but not its visual. ...

User Defined Struct causing crash due to accessing freed memory when using Stompmalloc

Gameplay - Feb 14, 2019

A licensee has reported that Custom Structs can cause a crash when using StompMalloc under certain situations. Regression?: No This occurs in 4.20 ...

Deleting reference variable will result in unusable picker appearing on resolve nodes

Gameplay - Blueprint Editor - Feb 11, 2019

REGRESSION: No When deleting a reference variable, any resolve node pins using it will have a picker added, which won't have anything listed in their dropdown. This isn't consistent with what happ ...

"Build" button causes "Validation failed" and breaks references of meshes in Sublevel according to a prescribed procedure

Tools - BSP - Feb 9, 2019

A licensee reported that "Build" button causes "Validation failed" and breaks meshes in a Sublevel according to a prescribed procedure. The process is quite complicated, but I can 100% reproduce thi ...

Material Opacity Mask Not Working As Expected in PIE but Does in Standalone

Rendering - Feb 5, 2019

Material Mask Opacity is not working in PIE, but works as expected in Standalone.  Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4862710, and 4.23 CL# 4898645 ...

Unused Foliage Type Causing Unbuilt Lighting

Tools - Foliage - Feb 1, 2019

Foliage components will be unbuilt even after deleting all of the placed foliage in a level. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Delete Assets dialog returns non-valid assets for the list of assets that can replace the references

Tools - Jan 31, 2019

The Delete Assets window's list of assets that are available to replace the references to an asset that is being deleted returns additional assets that are not valid replacements. The provided pro ...

Foliage LOD's Screen Size Can't be Set Higher Than 1.5

Tools - Foliage - Jan 31, 2019

Foliage LOD's Screen Size Can't be Set Higher Than 1.5 Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Meshes With Multiple Morphs / Blendshapes Import Incorrectly

Anim - Jan 31, 2019

MorphTargets/BlendShapes are read from the scene, not the morpher modifier. This also results in blendshapes names being equal to morph target object name (objects), rather then names from morpher m ...