Changing the value of a text struct variable inside a duplicated function that contains a Make Struct node will reset that value in the original function

UE - Gameplay - Blueprint - Mar 11, 2015

Changing the value of a text struct variable inside a duplicated function that contains a Make Struct node will reset that value in the original function. This does not appear to occur with other va ...

Renaming a custom component code class and performing a Hot Reload will cause the Editor to crash when a Blueprint containing an instance of that component class is opened.

UE - Gameplay - Blueprint - Nov 26, 2014

Renaming a custom ActorComponent class when that class is set as a component in a Blueprint and performing a Hot Reload will crash the Editor if the Blueprint is opened for editing after the project ...

Orthographic Camera view doesn't work with movable directional light shadows and partly with stationary shadows

UE - Graphics Features - Feb 26, 2015

See attached video for clear examples. When using the orthographic camera perspective with default light settings to stationary for directional light source. Other light sources work as intended. T ...

Nativized build will crash on load if a member variable in a nativized parent Blueprint class references a non-nativized child Blueprint class asset.

UE - Gameplay - Blueprint - Aug 9, 2017

This occurs because there exists a circular reference between the nativized parent BP and the non-nativized child BP asset (which is a data-only Blueprint in this case). Current suggested workaroun ...

Adding a code class derived from AnimInstance to a project created using the code Vehicle template will cause the Visual Studio build to fail.

UE - Gameplay - Dec 1, 2014

Adding a new code class derived from AnimInstance will cause the Visual Studio build to fail in a project based on the code Vehicle template. The build errors indicate that there are problems in the ...

Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor

Tools - Jul 7, 2015

Changing the name of a GameMode Blueprint that is set as the Default in Project Settings and then clicking the Project Settings Default GameMode dropdown will crash the editor. No crash report is ge ...

Box selection in orthographic view ports with nothing previously selected will select BSP brushes even when you are not passing over edges or vertices

Tools - Feb 13, 2015

Box selection in orthographic view ports with nothing previously selected will select BSP brushes even when you are not passing over edges or vertices. The current expected behavior is that it would ...

Auto Convex Collision will cause crash when using significantly small meshes

UE - Gameplay - Dec 16, 2015

A hard crash can happen when applying auto convex collision to a complex mesh that is below a certain build scale or screen size. The meshes that cause this have higher poly counts and increasing th ...

Regression for changes in code character movement not affecting multiplayers

UE - Foundation - Core - Jun 26, 2015

If MoveForward() function is changed to affect the speed of the player, when playing in a multiplayer game player 1 will be affected by the change but player 2 will not be. This is a regression - i ...

FBXUVs can create null entries that will assert later

UE - Editor - Content Pipeline - Import and Export - Oct 28, 2021

Need to make sure we support nullptr entries or make sure we do not create such null entries. ...