Collapsed Nodes do not move with their functions

UE - Gameplay - Blueprint - Apr 10, 2015

When you create a function and collapse nodes within it, the collapsed nodes to not follow the function category switch. I also noticed that when you move the function around that has the collapsed ...

Building Lighting will Generate Additional Lightmaps after Rotating Lightsource

UE - Graphics Features - Jul 7, 2015

Lightmap sizes seem inconsistent after rotating a light source and rebuilding the lighting. This causes concern about file sizes when packaging the project that is using baked static lighting. The ...

Red 'X' Persists after Duplicating Overlapping Stationary Lights and Setting them to Static or Movable

Tools - Sep 15, 2016

Duplicating a group of overlapping stationary lights that produces the red 'X', and setting the copied group to 'Static' or 'Movable' will maintain the red 'X' on one of the light components. Note ...

Functional Test framework crashes adding delegate instance when multiplayer PIE enabled

UE - Gameplay - Jun 18, 2015

The Functional Test framework crashes when adding a delegate instance if multiplayer PIE is enabled. The crash occurs at the check code in the block below from ..\Engine\Source\Runtime\Core\Public\D ...

Void Interface functions cannot be overridden in Blueprints

UE - Gameplay - Blueprint - Feb 10, 2015

A Blueprint Interface function that does not have an Output cannot be overridden in a Blueprint implementing that function. The function does not appear in the Interface section of the My Blueprint ...

Shader compile error using Point Lights Nvidia Shield

UE - Platform - Mobile - Jan 19, 2016

On the Nvidia Shield (portable with the controller attached) if you have a dynamic directional light and at least one dynamic point light no lights will be rendered in the level. Or even just using ...

Point lights with source length building static or stationary lighting will build incorrect shadows on movable objects

UE - Graphics Features - Lumen - Jun 12, 2018

Adding source length to a point light that is set to stationary or static will cause shadows to build incorrectly on movable objects. Working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033 ...

Shortcut(Function, Add a new function graph) leads to crash in the MacroLibrary editor.

UE - Gameplay - Blueprint Editor - Dec 4, 2017

Shortcut will still led to create a new function in the macro library. and this makes engine crash with following callstack. Assertion failed: Blueprint->BlueprintType != BPTYPE_MacroLibrary [Link ...

Split Struct Pin on a Function output will return a compiler error

UE - Gameplay - Blueprint - Jan 13, 2015

Split Struct Pin on a Function output will return a compiler error: Error Pin New Param 1 X named NewParam1_X doesn't match any parameters of function NewFunction_0 Error Pin New Param 1 Z name ...

Promote to Variable no longer an option in Blueprint Function Library

UE - Gameplay - Blueprint - Nov 10, 2014

In earlier versions of the Engine (reported from 4.2), in a Blueprint Function Library, from the New Function Node you could right click on "new parameter" to promote to variable. Also you could dra ...