Unreal Engine Issues

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

Changing the collision response type of an instanced actor using a public variable in the construction script does not change the response type

Changing a public variable which is setup in the construction script of an actor to set the actor's collision response type does not change the actor's collision response type. The response type rem ...

[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 ...

Breakpoint on SetText node in WBP PreConstruct triggers editor hang on save

A user reported that when calling SetText on a text widget in a widget blueprint's PreConstruct causes an editor hang when you put a breakpoint on SetText and attempt to save the asset. The issue i ...

BlueprintNativeEvents are not overridden correctly with multiple levels of inheritance

When overriding a BlueprintNativeFunction in a child class, if the inheritance is multiple levels deep, the override does not work correctly. As shown in the reproduction steps, this the example to ...

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 ...

Custom Depth Stencil Pass does not function on Mac

The Custom Depth Stencil Pass when enabled in the Editor will not show any information in the Buffer Visualization on a Mac ...

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 ...