iOS Multiplayer Join Session does not function.

UE - Platform - Mobile - Aug 18, 2016

iOS Game Center multiplayer create session does not function or crashes app. ...

Simple Move in sublevels does not properly function

UE - AI - Sep 14, 2015

Using simple move to location in sublevels causes the blueprint not to respond or function correctly. ...

Renaming the function for a bound event will cause the event to stop working

UE - Editor - UI Systems - Jun 26, 2015

A user found that when renaming a binding for a mouse down event for a border widget that the event would no longer fire off. They only worked as long as the default name was used. ...

GeometrycacheActor light channel issue

UE - Graphics Features - Apr 9, 2020

Lighting Only Affects Tilemaps From One Direction

UE - Graphics Features - Oct 9, 2018

Lighting only affects tilemaps from one direction.  Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.22 CL# 4435744 ...

Light Propagation Volume does not work on Linux

UE - Graphics Features - Feb 1, 2021

It's easiest to see the change on the top of the table or back of the chairs when following the repro steps. I've attached screenshots of the Windows and Linux comparison with Intensity set to 20. ...

BlueprintNativeEvent functions break on hot reload

UE - Gameplay - Blueprint - Mar 7, 2015

A blueprint that uses a node for a BlueprintNativeEvent function breaks on hot reload. Blueprint cannot be saved or compiled. Compile error states: Error This blueprint (self) is not a HOTRELOADED ...

Rainbow Colored Lights On Edge Of Screen

UE - Graphics Features - Dec 7, 2016

While in the Editor glowing colored lights will appear at the edge of the screen. (see screenshot)This happens randomly after a set amount of time even when Idle.The issue doesn't occur in standalon ...

Sequencer doesn't update Light color track

UE - Anim - Sequencer - May 30, 2019

Android split screen multiplayer does not function or render correctly

UE - Platform - Mobile - Aug 25, 2016

Android devices don't support split screen functionality. ...