Re-parenting BP that inherits & overrides parent-functions mark's Graph not editable

UE - Gameplay - Blueprint Editor - Aug 28, 2020

After creating a Blueprint class and then creating a function inside the BP, then creating another BP that inherits from the parent BP and overriding the original function inside the new Class and t ...

Engine crashes after editing a struct variable in use.

UE - Gameplay - Blueprint - Aug 27, 2020

After editing any struct variable in use such as adding, removing, or editing, and then compiling afterward the engine crashes. Sometimes it crashes after a few seconds. ...

Changing the collision response type of an instanced actor using a public variable in the construction script does not change the response type

UE - Simulation - Physics - Aug 27, 2020

Changing a public variable which is setup in the construction script of an actor to set the actor's collision response type does not change the actor's collision response type. The response type rem ...

Landscape Spline collision displays incorrectly

UE - LD & Art - Modeling Tools - Landscape - Aug 27, 2020

Landscape splines are displaying their collision incorrectly. The collision is projected off the spline however this issue is purely visual. The collision itself still works as expected. This was t ...

Dummy type required to parse delegates from a header

UE - Foundation - Cpp Tools - UnrealHeaderTool - Aug 27, 2020

Delegate types aren't parsed unless the header file comes with a UCLASS/USTRUCT/UENUM ...

Creating a new C++ project with visual studio build tools installed opens a command prompt for visual studio

Tools - Aug 27, 2020

Creating a new C++ project with build tools installed for Visual Studio opens a command prompt to path C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools> instead of visual studio. Selec ...

File Media Output Capture Crashes on OS X

Media Framework - Aug 26, 2020

On OS X, image frames output in PIE but crash occurs in standalone mode; The .wav file is written but is empty (the media player does not seem to go to the master submix correctly) and it seems to ...

Occlusion Culling incorrectly culling objects

UE - Rendering - Aug 26, 2020

When playing in PIE/camera moving from left to right, pieces of the floor grid are culled out when they are not supposed to be. I was able to replicate this issue, however after I brought up the c ...

Crash when spawning an actor with an AtmosphericFogComponent in a packaged build

UE - Rendering - Aug 25, 2020

Spawning an actor that contains an AtmosphericFogComponent results in a crash in a packaged build. It doesn't occur in PIE, or StandAlone.  ...

Crash in UEditorEngine::ToggleBetweenPIEandSIE when ejecting from Play In Editor while starting a multiplayer session

Tools - Aug 24, 2020

UE4Editor crashes when we eject from a Play In Editor session while starting a multiplayer session. ...