Visibility animations don't propagate to children

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 16, 2019

Rotating an instanced static mesh

UE - LD & Modeling - Modeling Tools - Mesh Editing - Oct 16, 2019

Changing the rotation of an instanced static mesh by 90 or 180 degrees creates a small space in between meshes.  ...

Unexpected foliage instances are duplicated

UE - World Creation - Worldbuilding Tools - Foliage - Oct 16, 2019

Dispatcher event called from actor blueprint needs to compile in a specific order

UE - Gameplay - Oct 15, 2019

Dispatcher events being called from actor blueprints have to be compiled in a specific order to successfully call the dispatch event.  ...

Collab Viewer: VR motion controllers don't work as intended as a VR Client

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2019

The motion controller hands are broken in the Colab Viewer template when connecting as a VR client. ...

Child Blueprint components become broken in sequencer when "Run Construction Script in Sequencer" is checked

UE - Anim - Sequencer - Oct 15, 2019

When enabling "Run Construction Script in Sequencer" on a Blueprint Child Actor and having "Rerun Construction Scripts" turned on in Sequencer, the Child BP's properties become inaccessible in Seque ...

Blueprint macro in a level blueprint causes memory leak

UE - Gameplay - Blueprint - Oct 15, 2019

The level blueprint has a macro that references a level. FBlueprintNodeTemplateCache keeps holding this cashe at transition level. Unable to find source-code formatter for language: text. Available ...

Copy Procedural Mesh from Static Mesh Component does not work correctly when the order of material slots is different

UE - Graphics Features - Oct 15, 2019

This issue occurs when the section and material slot order do not match In this sample project:[Link Removed] According to a report from the licensee, the order of Sections seems incorrect.[Link R ...

Unloading a spawned Detour AI Controller using Level Streaming causes a crash

UE - AI - Oct 14, 2019

In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...

Expose light depth and position to Light Functions

UE - Graphics Features - Oct 14, 2019

Users have requested that light depth and light position are made available to Light Function Materials.Light Depth We seem to be calculating the per-pixel distance from the light to the surface in ...