Unreal Engine Issues

Rare crash occurs in CoreAudio in Vehicle Game on Mac when quitting.

This is a very rare crash that I encountered in Vehicle Game and so far have not been able to reproduce, however checking the crash history it has been seen before in the wild. This issue may be re ...

Inconsistent behavior with Owen's trench coat

In the Cloth level in Content Examples, there is some inconsistent behavior with Owen's trench coat. The coat tails appear heavy (they don't trail behind the character's movement), and the straps a ...

Exposure Is More Extreme In High-End Mobile Preview Modes

In high-end mobile preview modes the exposure will return much more exaggerated results. This is related to the new default tone mapper settings since changing r.TonemapperFilm to 0 solves the issue ...

Behavior Tree marked as changed on open when containing Run Behavior node

When a behavior tree contains a Run Behavior node, opening the behavior tree marks the asset as "modified" and users would get asked by the editor if they want to save it even when there has been no ...

Pixel Depth not Working on Mobile when used with Custom Depth

A licensee is reporting incorrect results when using the Pixel Depth expression and Custom Depth. Custom Depth is working fine, but when combined with Pixel Depth the results are quite different fr ...

Crash Occurs Enabling new Audio Mixer with Audio Devices Disabled

If a user has all their audio devices disabled, and then enables the new audio mixer for 4.16, a crash occurs when trying to launch any new or existing project. This is a regression as this crash d ...

WorldContextObject is null in BP function library

Linux: SIGTERM handler can deadlock

Handling SIGTERM can deadlock because RequestExit() can log stuff. If we happen to be in the malloc at that time of receiving the signal this is going to deadlock the process. In general, we should ...

Duplicating Interface functions causes the Input/Output values to duplicate twice

When duplicating an Interface function, the values for Input/Output are doubled or tripled. ...

Behavior of NewBinding and ExistingBinding are different inside Shot track

When using NewBinding, the bind does not work properly with the level sequence specified by ShotTrack. The cause is that Guid of ExistingBindingID will be empty when passing through ActorPicked in ...