Unreal Engine Issues

SetChildActorClass does not replicate when set to a different class

When using SetChildActorClass to change a Child Actor Class, the change will replicate on the Server but not the Client. The Client will have the original Actor Class after the change happens. This ...

Shaped Trace by channel traces do not return true when the starting and ending point are the same

When a shaped trace by channel has a starting and ending point that is the same, it no longer returns true when overlapping an object. Regression: Yes This appears to work as expected in 4.21.2 bi ...

Daydream "Quit Game" node returns to homescreen of device instead of Daydream VR home

Google App store rejects UE4 apps with the response: "App switches to a 2-dimensional view unexpectedly When in VR, your app should never display any 2D images. For more information and examples, p ...

[Input] Switching levels destroys auto-created Input Component which breaks emitUIInteraction

We auto-create a PixelStreamingInputComponent which handles the input coming from JavaScript's emitUIInteraction. This works in a UE4 app with a single level, but it seems that if you change levels ...

Spring Controller node rotation not working

The issue has been reported by one of our licensee. He proposed a patch to be applied in AnimNode_SpringBone.cpp 188,189c188,191 ＜ FVector ParentToTarget = (TargetPos - ParentSpaceBase.GetLoca ...

Unreal crashes with an Fatal Error: Out of memory message.

Fatal error importing via Datasmith (memory allocation)

Trying to import a large Revit asset using Datasmith causes the system to use all of it's memory. Certain systems may receive a memory allocation error in the process. ...

REGRESSION: Metadata no longer import in Unreal from SKP files

The reason is simple, the actor names is not the same as the metadata name: [Image Removed] ...

Migrating a Niagara asset from one project to copies the Niagara plugin assets

Migrating a Niagara asset from one project to copies the Niagara plugin assets. ...

Virtual Bone effect is lost after re-importing mesh

After setting up a Virtual Bone on the skeleton and having it drive a Skeletal Control Node in an Animation Blueprint. Reimporting the skeletal mesh will cause the setup in the Anim BP to revert bac ...