Vehicle wheels ignore collision settings of vehicle in vehicle template

UE - Simulation - Physics - Nov 25, 2015

In the vehicle template, vehicle wheels ignore collision settings of the vehicle when they are set to custom and altered. ...

Crash occurs when a struct containing an instanced object property is used as the value for a TMap in a class that is subclassed in Blueprints

UE - Foundation - Core - Mar 23, 2017

Using a struct containing an instanced object property as the value for a TMap results in a crash if a Blueprint of the class containing the TMap is subclassed and the child Blueprint is opened the ...

NDisplay hangs and stops responding on cluster event send

UE - Virtual Production - nDisplay - Nov 12, 2019

"The test event is set up using the default CE port, but every time an event is sent through the launcher the display receives the input and processes it, however the launcher will "hang" and stop ...

When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted

UE - Gameplay - Gameplay Cameras - Feb 27, 2025

When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted. The licensee re ...

PlayerController isn't tickable during pause while using the 'Set Tickable When Paused' node

UE - Gameplay - Jun 18, 2015

PlayerController isn't tickable during pause while using the 'Set Tickable When Paused' node. https://answers.unrealengine.com/questions/243791/camera-ticks-but-does-not-update.html User Descriptio ...

Deleting a project also deletes content of folders referenced by a Windows symbolic link

Portal - Jan 11, 2018

Deleting a project from the Epic Games Launcher will also delete any files that are located in external folders that the project includes via symbolic link. In this case the only thing that should b ...

Client PlayerState is null on joining online session

UE - Networking - Jul 31, 2015

APlayerController::ClientStartOnlineSession() checks PlayerState at the start of a game after loading a level. Due to time needed to load in, client player state may may return NULL ...

Hierarchical LODs used with Precomputed Visibility cause actors to occlude that should not behind translucent materials

UE - Graphics Features - Jul 6, 2016

When using Precomputed Visibility in conjunction with HLODs and translucent materials without them culling actors occluded by the translucent material. The example gif attached shows that the base ...

Always Relevant actor may replicate incorrect movement mode when the walkable floor becomes irrelevant

UE - Gameplay - Player Movement - Feb 26, 2024

When the character class is set to always relevant, if a client travels very far away from another character, such that the character is relevant but the component they're standing on is not (but al ...

Renaming a Blackboard Key removes it's references in the Behavior Tree

UE - AI - Jan 27, 2015

Renaming a Blackboard Key removes it's references in the Behavior Tree ...