Having "\n" in an FString property in code results in it being replaced with a line break

UE - Foundation - Core - May 4, 2020

If the user has a code FString that used "\n", that's interpreted as a line break and is removed. This can cause confusion for users attempting to get the length of the value since it will not matc ...

Unable to replace variable refs in functions with input parameter variables

UE - Gameplay - Blueprint Editor - May 4, 2020

User is not able to replace a variable reference in a function with an input parameter of the same type. ...

GetMousePosition - top and left edges incorrect on Linux

UE - Platform - Linux - May 4, 2020

At times if the cursor is in the top/left edges the x/y get mouse position can fail ...

Disable "Deferred Rendering" option in Movie Render Queue doesn't work

UE - Anim - Sequencer - May 4, 2020

Disable "Deferred Rendering" option in Movie Render Queue doesn't work and still renders the deferred pass. Currently you have to delete the Deferred Render config option completely to get the expec ...

Ragdoll stops mid-air when activated during root animation

UE - Simulation - Physics - May 1, 2020

Calling a native interface function implemented by a non-nativized Blueprint asset from a nativized Blueprint asset will silently fail at runtime.

UE - Gameplay - Blueprint - Apr 29, 2020

In the sample project we have a Widget Blueprint asset (SomeWidget) that implements a native interface (PrintSomethingInterface.h). However, in the DefaultEditor.ini file, we've also excluded all Wi ...

Changing WidgetComponent's Background Color doesn't update the widget's background color

UE - Editor - UI Systems - Apr 29, 2020

It appears that changing the Background Color of a widget component doesn't immediately update the widget's render target. Toggling "Draw at Desired Size", however, does get the changes to reflect i ...

Duplicate object assert on ClothConfigNv object creation.

UE - Simulation - Physics - Character - Apr 29, 2020

It looks like there are situations where the deprecated config hasn't finished loading before the config map items are recreated causing the assertion: Assertion: Attempting to replace an object th ...

Materials using Texture 2D Arrays fail to compile

UE - Graphics Features - Apr 29, 2020

REGRESSION: Does not occur in 4.24 Materials using Texture 2D Arrays have the following errors:[SM5] /Engine/Generated/Material.ush(2225,107-114): error X3004: undeclared identifier 'Material' [S ...

FIOSInputInterface::SendControllerEvents crash due to UIInterfaceOrientation call from game thread

UE - Platform - Mobile - Apr 29, 2020

From [Link Removed], licensee reports We believe that querying the UIInterfaceOrientation via UIApplication on the game thread is the issue here. We have made changes to IOSInputInterface.cpp and I ...