Adding a call to the parent function when executing an inherited multicast event on a client results in the events being called on the client twice

Gameplay - Blueprint - Apr 2, 2019

A user has reported that adding a Parent call to an inherited multicast function causes the event to be called twice if it is executed on a client. Regression?: No This occurred in 4.20 Link to te ...

Comments on Blueprint Interfaces can´t be moved/deleted

Gameplay - Blueprint Editor - Apr 1, 2019

When a comment box is added in a Interface blueprint, it cannot be moved or deleted. ...

Actors with Niagara components don't wait for the system to finish before being auto destroyed

Rendering - Niagara - Mar 29, 2019

UNiagaraComponent does not override IsReadyForOwnerToAutoDestroy, so it always returns true. This gets checked every tick if an actor is set to auto destroy, so actors with Niagara Components do not ...

Light baking of a ton of static meshes causes Swarm to crash.

DevTools - Mar 25, 2019

Light baking of a ton of static meshes causes Swarm to crash due to "Index was our of range". I confirmed that it can be reproduced with the sample project they sent us/ The error log I got is... ...

Second player's screen does not render in Split Screen on Android

Platform - Mobile - Mar 21, 2019

The second player's screen in a Split Screen multiplayer session on Android does not render. It remains completely black. This was also an issue prior to 4.15 but was fixed with UE-35204. The fix ap ...

Niagara System Doesn't Update Mesh Renderer If Static Mesh is Changed in the Emitter

Rendering - Niagara - Mar 20, 2019

The Niagara System doesn't update the mesh renderer If the Static Mesh is changed to an Imported Mesh in the source emitter Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL#  5470758 ...

Levels lose folder hierarchy in Levels window on streaming method change

Tools - Mar 19, 2019

In the Level Window, Sub Levels which are nested inside of a folder will lose their hierarchy upon changing their streaming methods. ...

Mouse Events cannot be treated as Touch on Android Apps on Chromebook

Platform - Mobile - Mar 18, 2019

A licensee reported an issue where mouse events are not able to be used as touch events on Android apps. This was specifically reported on and tested on Chromebooks. After working with Chris Babcock ...

Structures don't save map elements that point to an asset reference

Gameplay - Mar 15, 2019

Adding map elements to a structure does not retain the information after saving and closing the project. This only appears to happen after you add a considerable number of Map containers inside a st ...

Far Shadow Cascades fade out based on the length of the Distance Field Shadows

Rendering - Mar 14, 2019

Far Shadow Cascades are fading out based on the length of the Distance Field Shadows. Causing the shadows to cut out abruptly. ...