Unreal Engine Issues

[Ensure] LoadStreamingLevel and UnloadStreamingLevel are called at the same tick

There is no particular error. Developer can ignore it. ...

Blueprints might get corrupted after inheriting multiple times.

Blueprints might get into a corrupted state when they are inherited for a big number of times. Starting from a C++ class, if you then create a BlueprintClass from the C++ class, and keep creating ne ...

Remote player aim pitch is not precise when viewed by another player

Blueprint compiler doesn't always initialize struct consts correctly

Blueprints currently don't support unsigned 64 bit ints, but they do support signed 64 bits. If a Blueprint uses a native struct variable that contains a uint64 property, it incorrectly assigns that ...

Static meshes viewed in the static mesh editor in orthographic side view are becoming white after a couple of seconds when quality preset is maximum.

Context: Orthographic views are used to have a 2D view of a 3D object providing precise control over object placement and alignment. This can be used for projects like isometric games and architectu ...

Crashreporter.exe does not appear in packaged projects

Crash Reporter does not get packaged with development build projects when they have "Include Crash Reporter" set to true in packaging options. ...

UDP Messaging causes extra network traffic on some network setups

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

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

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

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. ...