Enums in BP Structures display as Byte on Struct save

UE - Gameplay - Blueprint - Aug 15, 2017

When an enum variable is added to a BP struct, saving the struct causes the enum to display its type as a Byte rather than the specified enum. Regression: Yes - This behavior does not occur in 4.16 ...

Editor crash on blueprint compile that contains edited BP Struct

UE - Gameplay - Blueprint - Sep 11, 2017

When a blueprint graph contains a "Make Struct" node for a blueprinted Struct, changing any pin's type causes the editor to crash when the blueprint is compiled. Regression: No - same behavior occu ...

Slate Widget STileView Scrolling Mouse Wheel Lock

Tools - Sep 15, 2017

When using the mouse wheel to scroll nested scroll boxes, scrolling up no longer works once the inner tile view has been scrolled to the top. Regression: Yes, this behavior does not occur in 4.16.3 ...

Add Component node loses reference on BP compile

UE - Gameplay - Nov 16, 2017

When adding an actor or scene component blueprint reference to an actor blueprint, the component gets changed to an Add Component node when updating the component blueprint. This bug was not present ...

Reimporting Static Mesh LODs yields unexpected material assignments

Tools - May 24, 2018

Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...

Non-nativized classes that implement a nativized interface class do not get interface methods called when invoked through a Blueprint function library.

UE - Gameplay - Blueprint - Jul 5, 2018

UObjectBaseUtility::GetInterfaceAddress() fails due to an incorrect serialized value of the 'bImplementedByK2' property within the non-nativized class's Interfaces array on save. See support thread ...

Collision change is not replicated to clients when server makes change to the scale of a mesh

UE - Networking - Jul 20, 2018

When the scale of a mesh is changed on the Server, the collision change of that mesh is not replicated properly to clients, resulting in the collision being different between the server and client. ...

HLOD visibility state isn't cleared when changing scene

UE - Graphics Features - Sep 25, 2018

HLOD state is not cleared when moving to a scene without HLOD so primitives may read the state from the old scene and incorrectly cull objects. The safe fix is to clear the HLOD state maps when the ...

"Invalid resource entry creating uniform buffer" when running Vulkan on Mobile

UE - Platform - Mobile - Apr 30, 2019

Android projects in 4.22.1 crash on launch with Vulkan enabled. Did NOT reproduce in 4.23 MAIN at CL 6156332 4.22.1 release CL is the same as a related fix for this ( [Link Removed] )  ...

The Percentage doesn't work with sheared ProgressBar Widget

UE - Editor - UI Systems - Jun 24, 2019

Translating the shear of Progress widget on the -Y causes the percent bar to not move correctly. Tested in 4.22.3 (CL - 7053642), 4.23 (CL - 7173969), 4.24 (CL - 7032890) ...