AI Controller Remains in World Outliner After Being Destroyed

UE - AI - Apr 18, 2017

Destroying an AI Controller does not seem to remove it from the world. The controller will still remain in the World Outliner even after Destroy is called. Attempting to get the AI Controller after ...

Network Delay with RPC Functions/OnRep Properties

UE - Networking - Jun 5, 2017

When attempting to call a RPC (NetMulticast, in this case) or use an OnRep_ Property, there seems to be a delay between setting the variable and it being replicated. In 4.15, this was around two t ...

Undoing pasting a component will crash ([CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::IsValid() [weakobjectptr.cpp:48])

UE - Gameplay - Components - Jul 20, 2017

This is a common crash affecting users in 4.16. The callstack is similar to [Link Removed], which was fixed in 4.13. User DescriptionsAccidentally duplicated a blueprint with multiple static mesh ...

Building lighting after map data is built dirties level

UE - Graphics Features - Oct 5, 2017

There is an issue occurring where after the map built data is made building lighting on a level causes the level to become dirty. this occurs even if anything in the level has not been changed excep ...

Set relative location in construction script does not work when value is [0, 0, 0]

UE - Gameplay - Blueprint - Dec 11, 2017

The Set relative location in construction script does not work when the value is [0, 0, 0] when used it does not set the location back when the specified component is moved, it does work for any val ...

Win64 - Unplugging audio device causes game to freeze

UE - Audio - Nov 30, 2017

Win64 - Unplugging audio device causes game to freeze. Log is spammed with messages like the following after the device is removed:[2017.11.30-19.38.32:716][386]LogAudio: Warning: Waited 69.495094m ...

TransformVector node break compilation material instance but primary material is successfully compiled

UE - Graphics Features - Jan 31, 2018

There is an issue occuring where TransformVector node break compilation material instance but primary material is successfully compiled. When using a custom node to set the value this node intends t ...

[SolidWorks] Complex assemblies will not import correctly

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 25, 2018

Using Solidworks 2017 Service pack 4.1 the sldasm files only partially import. Instances, folders, and suppressed parts also mess up the import. Suppressed parts show up from different configuration ...

Collision settings of an Instanced Static Mesh setup in the Construction Script are not preserved when the Actor is added to an Instanced Level

UE - Framework - Components - May 23, 2022

Tested in //UE4/Release-4.27 CL 18319896 using Level Streaming the camera was ignored by the ISM_Cube. Collision settings of an Instanced Static Mesh setup in the Construction Script are not preser ...

Array of Instanced Objects on Component Does Not Propagate to Children Correctly

UE - Foundation - Core - UObject - Jun 6, 2017

Attempting to add an entry to an array of instanced objects is not correctly displaying that entry in a child class based on that actor. It is expected that the inherited component in the child acto ...