Material is not always updated after SketchUp file reimport.

TM - Interoperability - Dec 4, 2024

The second file uses the same material as the first one, but it's color has been modified in the DCC.  Not reproducible with Datasmith import. In that case the material is correctly updated in all c ...

Too large project icon image causes engine to crash

Tools - Apr 27, 2015

The engine will crash if you upload a project icon that's way too large for the 192x192 area. It'll also crash when you open that project back up and try to access the project settings ...

Components and Actors attached to physics objects (with weld) are not solidly attached

UE - Simulation - Physics - Jul 2, 2015

Components and Actors attached to physics objects are not solidly attached. The child actor tends to float around in relation to the parent. Occurs even when using a "Weld" attachment In the exam ...

Initial Color Vector Parameter cannot be set for GPU Particles

UE - Graphics Features - Nov 7, 2014

GPU particles will not take a changing input from Initial Color when using a Vector Parameter to control through a blueprint. ...

Make Custom Event names start with "Event"/Fix "Event Event" issue with overridden Events

UE - Gameplay - Blueprint - Dec 17, 2015

If you name an Event something like "Event Foo", overriding the event in a ChildBP gives you "Event Event Foo" To avoid this, please make Custom Event names Start with "Event" ...

Skybox returns Overlapping UV error after building lighting

UE - Graphics Features - Dec 1, 2015

After bringing the BP_LightStudio into a level and building light an error message is given. The error message says that the Skybox's UV's are overlapping. ...

The link to download Visual Studio 2013 in the Project Browser is invalid

Tools - Jan 5, 2015

When creating a C++ project in the Unreal Project Browser without a compiler installed, the following message appears with an invalid link: "No compiler was found. In order to use a C++ template, y ...

Reflection across multiple viewports are different than original viewport.

UE - Graphics Features - Jan 21, 2016

When viewing reflections in multiple viewports the reflections will differ from the original viewport. ...

ATan is not available in a Math Expression

UE - Gameplay - Blueprint - Mar 10, 2015

Using a Math Expression node, atan will generate an error as an unknown expression. Reproduced in Main Promotable-CL-2471062 [Image Removed] ...

Packaged Build Crashing When Activating Particle System with Instanced Parameters

UE - Graphics Features - Jun 17, 2016

This crash only seems to be occurring in a packaged game, and it has not been able to be reproduced in a clean project following the steps that the user provided. ...