Unreal Engine Issues

NotBoolean node is broken in specific projects for State Machine Transitions

In the attached project, you'll find the NewChar_AnimBP. In the state machine, there is a "NotBoolean" node in the JumpingToFallingLoop transition that appears to be broken. At first, the NotBoo ...

Landscape leaking when using ParallelInitView 1

see step ...

Switching between input modes via the "Set input mode UI only" node and the "Set input mode Game and UI" node consumes all input for editor

When Changing the between input modes with the "Set input mode UI only" node and the "Set input mode Game and UI" node the editor can become unresponsive. The user can still click on things but it ...

Mouse over events do not trigger if mouse button is held

Widget events for On Mouse Enter, On Mouse Leave, OnHovered, and OnUnhovered don't trigger if the left or right mouse button is held down when the mouse passes over the widget. ...

With Pause Event on frame 0, sequence will never be able to resume playing

With Pause Event on frame 0, sequence will never be able to resume playing. It appears to trigger the event again. ...

LandscapeComponent LodBias doesn't work

Touches on windows generate 2 mouse events.

The problem is that windows supplies both a touch event and a mouse event for each touch. The engine then handles touches as mouse input so that UI elements can work correctly on touch platforms. ...

Possible to have a null AudioComponent in ApplySettings

User is having issues where they are getting crashes in ApplyVoiceSettings. This should only ever be called from FVoiceEngineImpl::SubmitRemoteVoiceData. In that method, if no SynthComponent is av ...

Android Projects packaged for arm64 crash on device.

This issue was discovered while smoke testing Release 4.13 for Preview 2. ...

Multiplayer Shootout project sample is crashing on start

The project sample Multiplayer Shootout in the Learn tab is crashing on start up with 4.7.4 Crash does not occur on 4.8. Tested by Patrick.D on Main CL-2498147 Pass in 4.7.5 dev. - CKC 2503383 ...