Unreal Engine Issues

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

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 ...

Variable Value Range doesn't work during Runtime

If a variable has been set to a default value and has a declared value range, it will ignore the value range and print the set value.The tooltip text is misleading or out of date as it gives the imp ...

Inline edit conditions don't support undo

The Editor does not support undo after making changes Inline edit properties. Working in 4.18.3 Broken in 4.19.2 Tested in 4.18.3(3832480), 4.19.2(CL - 4033788), 4.20(CL - 4181430) , 4.21(C ...

Foliage is Offset When Streaming Existing Levels From World Composition

Streaming an existing level that used World Composition places the landscapes in the correct spot, but any foliage tied to that landscape is placed on the landscape tile at 0,0 instead of its corres ...

Objects get stuck when hit location is same as start ray location

Functions overriden from Parent BPs are not called in Child BPs when nativized

When nativization is enabled, functions in a child blueprint that were overriden from the parent are not called properly. Regression?: Yes This did not occur in 4.19 ...

Unable to change the 'Actor to Track' on Cine Cameras when the target Actor is in a different Sublevel

You are unable to track Actors that are in different sublevels when using Cine Cameras. The 'Actor to Track' is set back to none if the target Actor isn't in the same sublevel as the Camera. This is ...

Exposure Compensation in PP Has No Effect in Mobile LDR Mode

Tested in 4.19, 4.20 Preview, and 4.21 Main.  Per User: Lack of the ability to tune-up the Exposure Compensation makes the scene lighting look visually incorrect, especially in fully baked environ ...

Access Violation crash loading DDC when making Installed Build

The RunUAT command crashes while loading DDC when making an Installed Build. ...

Packaging blank project should prompt you to specify a Game Default Map

Packaging blank project should prompt you to specify a Game Default Map in Project Settings > Maps & Modes ...