Collapse to Function creates a return node that cannot be deleted

UE - Gameplay - Blueprint - Jan 15, 2015

Collapse to Function creates a ReturnNode that cannot be deleted. When creating a new Function, the ReturnNode is not mandated like this, so this seems inconsistent. Included is a screenshot of thi ...

Functions that are placed in a graph do not update when pins are added/subtracted

UE - Gameplay - Blueprint - May 6, 2015

If the user creates a function and then places it into the event graph and then goes back and add and output pin the function that is already in the graph will not update and will need to be replace ...

Lighting Build Fails With High Density Foliage

UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2018

Trying to build lighting on a map with high density foliage will fail lighting build or cause the editor to crash. This occurs in 4.15, 4.16, 4.17, and 4.18. There have been multiple reports of this ...

Preview Scene - Lighting angle changes between Profiles

UE - Graphics Features - Aug 25, 2020

When previewing an object, the lighting angles change between profiles; the lighting position at '0' will also change when the Lighting Rig Rotation is set to another value, then back to 0 again.  ...

Orthographic Camera view doesn't work with movable directional light shadows and partly with stationary shadows

UE - Graphics Features - Feb 26, 2015

See attached video for clear examples. When using the orthographic camera perspective with default light settings to stationary for directional light source. Other light sources work as intended. T ...

Editor crash when calling function that contains a local Map varaible

UE - Gameplay - Blueprint - Mar 20, 2017

When a function contains a local map variable, calling the function causes the editor to crash. This only occurs is the map is defined at the function level, no crash occurs if the map is declared ...

On PC and Mobile Preview, Volumetric Lightmap provide very different Indirect lighting direction

UE - Graphics Features - Lumen - May 18, 2020

Expectation: It's known it has different lighting interpolations method and quality for VLM on PCvsMobile; but Indirect lighting from VLM should provide similar lighting Direction on PC&Mobile. ...

Implementing an interface in a blueprint does not show interface functions until interface is opened and compiled

UE - Gameplay - Blueprint - Aug 3, 2015

If an interface is implemented within a blueprint, the initial function in the blueprint interface cannot be called in the actor. The function will be populated after compiling the blueprint interfa ...

Direct Capsule Shadows with Point Lights also project shadow on opposite side and direction

UE - Graphics Features - Dec 14, 2016

When using a Direct Capsule Shadows on a skeletal mesh with a Stationary Point light, depending on the point lights placement, light source radius, and nearby surfaces will cast the shadow on the op ...

Packaging fails with Event Driven loader enabled and two function libraries reference each other

UE - Foundation - Core - Mar 29, 2017

Packaging fails with Event Driven loader enabled and two function libraries reference each other even though the functions referenced in each library to NOT call each other in such a way as to creat ...