Child Actor Component Not Destroyed When Parent BP Is Replaced in Scene

UE - Gameplay - Blueprint - Oct 16, 2015

Having an actor in the level with a child actor component, replacing it with another copy of itself, and deleting the copy results in a Child Actor remaining in the world outliner, which cannot be d ...

AI Perception Hearing Sense Successfully Sensed Returning False

UE - AI - Jun 2, 2016

AI Perception Hearing Sense is returning false for successfully sensed, even when a Noise Event is being reported. Found in 4.12 binary. Reproduced in 4.11.2 binary. ...

Actor with Camera Component UProperty causes ensure when PIE ends if replicating

UE - Networking - Nov 17, 2015

If an Actor with a CameraComponent is set to replicate, ending a PIE session with 2 players will result in an ensure ...

Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor

UE - Gameplay - Blueprint - Aug 4, 2015

Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor. Reproduced in 4.7.6 binary, 4.9 Release (//depot/UE4 ...

Changing Time Dilation at runtime causes erratic physics with Vehicles

UE - Simulation - Physics - Oct 20, 2015

When changing Time Dilation settings at runtime, it can cause vehicles to be thrown into the air and exhibit other odd physics behavior. This issue occurs when the Time Dilation is being set from sl ...

Adding Text Render Component at Runtime Crashes Standalone

UE - Gameplay - Components - Nov 2, 2015

Adding a text render component to a blueprint through C++ at runtime crashes the standalone player. It does not have any effect on PIE. Also, this only seems to occur when the blueprint in question ...

Unable to Select Multiple Actors Containing Child Actor Components in the Viewport

Tools - Dec 2, 2015

When attempting to select multiple actors in the level that contain Child Actor Components, if you right-click to edit the properties of the selected actors, it will deselect any others that you hav ...

List Referenced Objects does not show referenced objects for a .umap asset

Tools - Apr 1, 2016

Opening the Reference Viewer for a level then right clicking on the level and selecting List Referenced Objects displays a message prompt stating "Object 'LevelName' doesn't refer to any non-ignored ...

Different Number of Frames imported from the same FBX between UE 4.8 and 4.9

OLD - Anim - Sep 14, 2015

Using the same import settings in UE4.8 and UE4.9 will result in a different number of frames of an animation being imported from the same FBX file. If you import the same fbx animation which in M ...

UV Import layout error increases with movement of UVs away from 0-1 Space

Tools - May 27, 2015

When a user sets up an unwrap using a space outside the original 0 to 1 space the unwrap will increasingly show errors of positioning. For Example, in the following images the lower left vertex of ...