Unreal Engine Issues

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 ...

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. ...

Crash in editor after disabling AISystem in Worldsettings

After disabling the World Option bEnableAISystem, clicking with the right mouse button on the asset browers (in an empty place) casues the editor to crash. ...

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 ...

Certain materials are overly bright with Ray Traced Global Illumination denoiser

Ray Traced Global Illumination is causing some materials to glow extremely bright Disabling r.raytracing.globalillumination.denoiser fixes the issue In 4.22 preview 5 binary (5365847) the result i ...

Sequencer's Spawnable actor rename can not be synchronized between sequencer and outliner

This behavior seems to occur only for spawnable. The licensee wants the renaming behavior to be consistent. ...