Unreal Engine Issues

Combo box does not function in packaged build

The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...

WorldContextObject is null in BP function library

VoIP loses functionality when transitioning levels.

VoIP between client and host is lost upon transitioning levels. ...

Weighted Tangent not functioning in Curve Asset

Weighted Tangent handle modifications do not work as expected in Curve Assets. ...

ARCore: Camera does not function in ARDebugCheck app

The camera is not turning on when using the ARDebugCheck app. Some details:The app does not ask for Camera permission and defaults to denied.ARDebugCheck is a Black screen after selecting "Start AR" ...

Changes in Inner functions not reflecting in the execution

[CrashReport] Mac crash - FCocoaRunLoopSource::Process

This is a somewhat common Mac crash that has occurred since at least 4.14 and into 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack contains l ...

Project fails to package nativized const reference parameter

Overriding a BlueprintNativeEvent function with a const reference parameter in blueprints causes the project to fail to package if the blueprint is nativized. Note: This only occurs if the function ...

"Convert to Blueprint" removes ability to edit component properties

As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...

Indirect Lighting Transition is delayed one frame.

If you let objects move quick like teleport, you can see the transition is delayed one frame. This problem occurs even if r.Cache.SampleTransitionSpeed increase, and Both ILCQ_Point and ILCQ_Volume ...