Unreal Engine Issues

Spline Mesh Does Not Collapse Or Deform Properly

Spline meshes don't seem to collapse evenly if they have geometry in between the start and end points. The test project demonstrates this by having a spline mesh move its end point closer to the sta ...

When changing the variable name of Parent Blueprint, only Child Blueprint existing on the opened level becomes Dirty.

Changing the variable name of the parent Blueprint also effects the changes to the child Blueprint, but the Dirty result changes depending on whether it is placed on the level. This means that Child ...

GoogleVR layout visible if stereo is off on iOS

User reported bug With iOS applications that swap from VR mode to non-stereoscopic mode, GoogleVR overlay remains on screen. This does not occur on Android devices. ...

Exposure Metering Mode "Auto Exposure Basic" Disables Histogram Min/Max Control

Auto Exposure Basic disables histogram min/max controls. Working as expected in 4.19 CL# 4033788 and 4.20 CL# 4369336 Found in 4.21 Preview 1 CL# 4435822 and 4.22 CL# 4448303 This is a regression ...

Instanced MovieSceneEventParameters does not save updated values upon level load

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...

Third Party Library Plugin won't load in packaged build

Plugins created using the Third Party Library template won't load in a packaged build or the Launch button in the Editor Toolbar, but will if launched through the Project Launcher Window via the Edi ...

Crash occur when using AddSpawnableFromClass with BlueprintGeneratedClass specified

BlueprintGeneratedClass is not based UBleupint. So the following code is failed. bool UActorFactoryBlueprint::PreSpawnActor( UObject* Asset, FTransform& InOutLocation) { UBlueprint* Blueprint = ...

Overlap Issues using Tick Interval and Dedicated Server

When using a dedicated server and a class with an explicit Tick Interval set, if the class' overlaps are updated in the begin overlap event, in a non-consequential way(changing collision profile in ...

Null Redirector For Main Game Level Is Packaged Without Error After Fixing Redirector

After moving a level into a folder and fixing the redirectors (right click in content browser) the project will package a Null reference without throwing an error. This will let you create a project ...

Deleting MPC referenced in material layer cause editor crash.