Unreal Engine Issues

Using EditInstanceOnly specifier on ActorComponent appears in actor blueprint

When a property added to an ActorComponent class uses the specifier EditInstanceOnly, the property is editable inside a blueprint with the component rather than only showing up when selecting an ins ...

MetalRHI crash locking camera cut to a level sequence in QAGame

Running into an intermittent crash in MetalRHI when locking to a camera cut in a level sequence. Very similar to [Link Removed] which is an NVIDIA GPU. ...

Vertex Painting changes collision complexity if the asset is saved while vertex painting

Vertex Painting changes collision complexity if the asset is saved while vertex painting. The collision change is set to "Use Complex Collision as Simple". If this is intended functionality there sh ...

UFUNCTION in a derived class with a different signature will cause a crash when called

Reported by AnswerHub user. UHT should block UFUNCTIONs which hide other UFUNCTIONs with the same name but different signature. ...

Crash On dedicated server when adding a variable set to RepNotify Character blueprint and playing in Editor

Crash On dedicated server when adding a variable set to RepNotify Character blueprint and then playing in Editor ...

BlockingVolume is not working in Infinity Blade: Ice Lands once packed

BlockingVolume is not working once packaged while using the Frozen Core map from Infinity Blade: Ice Lands. BlockingVolume is working if you manually add it to Infinity Blade: Ice Lands. This has be ...

[CrashReport] Crash When Enabling OSVR Plugin

The editor is crashing when the OSVR plugin is enabled. Error Message: Unknown exception - code c06d007e (first/second chance not available) Source Context: 465 // Assign the already load ...

Multiple cleanup and initialize calls for behavior tree memory

Bug in FBehaviorTreeInstance processing reported on UDN. ...

Curves loaded from DDC do not always work on additive animations

Editor actor does not update when component code is changed.

When a code based actor component has an exposed array of actor components, adding an element to the array in the editor will add the component to the actor but removing that element does not remove ...