UDP Messaging causes extra network traffic on some network setups

UE - Networking - Oct 7, 2015

A few users are experiencing strange network traffic from UDP Messagine. They notice it on other devices connected to the network. In some setups, it can even cause you to have cable TV interrupti ...

Sound Cues with Attenuation 'Override' Nodes break when Upgrading project to 4.11

UE - Audio - Apr 5, 2016

When upgrading a project to 4.11, Sound Cues placed in the level with the 'Attenuation' override node no longer playback as expected. This issue was a bit weird when testing because the user report ...

Motion Blur creates dark artifacts on bottom of screen in editor

UE - Graphics Features - Aug 15, 2016

When motion blur is active and the view port is in motion there will be a dark artifact visible at the bottom of the screen. Normally this isn't very noticeable however the effect worsens with speed ...

Navlinks do not respect left to right/right to left direction

UE - AI - Sep 28, 2015

AI does not respect direction on nav link proxies when direction is set to "Left to Right" or "Right to Left", it continues to use both directions equally. ...

Wrong Anim Notify is Deleted

OLD - Anim - Jan 16, 2015

When deleting an Anim Notifiy in the Notify timeline, if an instance of that Anim Notify exists to the left of the selected one, it will be deleted instead. If numerous instances exist to the left ...

LineTraceSingleByObject not Returning Valid Physical Material

UE - Gameplay - Mar 22, 2016

Attempting to perform an is valid check on a physical material from a FHitResult returns invalid. This does not occur when using a blueprint setup, it only seems to occur when using code. Found ...

K2Node_SwitchEnum doesn't use EnumRedirects

UE - Gameplay - Blueprint Compiler - Nov 30, 2016

Dynamic Nav Mesh rebuilds incorrectly on World Origin Shift

UE - AI - Jan 30, 2017

Dynamic Nav Mesh rebuilds incorrectly on World Origin Shift. It must be rebuilding (physics objects, etc) while the origin shift is taking place; then the nav mesh will rebuild at different heights ...

Mouse is not captured by default in PIE for the last client window created

Tools - Apr 28, 2017

Mouse is not captured by default in PIE for the last client window created. The last client does not capture the mouse automatically. This issue is similar to [Link Removed], however it appears to b ...

Touch input registers as a Keyboard input

UE - Gameplay - Input - May 11, 2017

Touch events registers as Keyboard Keys rather than a separate key type. ...