Having more than one Show or Hide Toggle in Matinee Visibility Track causes a compile error in Level Blueprint

UE - Gameplay - Blueprint - Jan 5, 2015

Having a Matinee Controller in the Level Blueprint and a Visibility Track with multiple Show and Hides will cause a compile error in the Level Blueprint. ...

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 ...

Crash when opening a data table based on a struct named actor

Tools - Jun 29, 2016

If the user creates a structure, names it "Actor", then creates a data table based on the struct then the data table will cause a crash on open(opening the data table). ...

Crash Occurs When Clicking Off of Color Picker in Data Table

Tools - Jun 29, 2016

When using an FLinearColor variable in a data table and editing it using the color picker, clicking anywhere off of the color picker window will cause the editor to crash. Error Message: Assertio ...

ComponentOverlapComponents without reference to a component will compile and crash the editor

UE - Gameplay - Jul 21, 2015

Error Message: Access violation - code c0000005 (first/second chance not available) ComponentOverlapComponent node used in blueprints will cause the editor to crash once you PIE if there is no comp ...

Get positional Tracking Camera parameter does not return the correct orientation for the hmd Camera

UE - Platform - XR - Jun 23, 2015

The orientation of the camera appears to be in the center of the level. The documentation states that the Camera Origin should give "Origin, in world-space, of the tracking camera" ...

The Editor freezes during PIE when loading a .sav file from 4.7 in a 4.8 or 4.9 project

UE - Gameplay - Jun 24, 2015

The Editor freezes during PIE when loading a .sav file from 4.7 in a 4.8 or 4.9 project. The user reporting this reports a memory leak and crash, but I have not been able to reproduce that in partic ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

[CrashReport] UE4Editor-Core.dylib!<Unknown>

UE - Platform - Apple - Jan 13, 2016

Crash Reporter Link: [Link Removed] User's description in Crash Reporter: Clicked on the + button to GameModeOverride in the World Settings panel. ...

The DefaultSceneRoot's tooltip claims adding a new scene component will automatically replace it as the new root, but this is no longer true

UE - Gameplay - Components - Jun 24, 2015

The DefaultSceneRoot's tooltip claims, "Adding a new scene component will automatically replace it as the new root", but this is no longer true in 4.8 and 4.9. Instead, the DefaultSceneRoot remains ...