Unreal Engine Issues

Destructible mesh loses collision and physics after packaging in 4.18.2

Destructible Meshes are losing collision and physics after a project has been packaged. They will work normally when running PIE. ...

Landscape cooking takes as much as 6 times longer in 4.18

Some developers are finding that the change to add a bunch of shader types to FLandscapeMaterialResource::GetExcludedShaderTypes() in 4.18.2 increased their project cooking times on PC or console by ...

Cine camera doesn't expose the bConstrainAspectRatio toggle in the details panel

In Pose Pin Does Not Immediately Appear for Sub Anim Instance Node

The Sub Anim Instance pin does not appear automatically when the Anim Blueprints are connected in the order listed above. If done in another order the "In Pose" pin appears. ...

UE4 Crashes if multiple Vive Trackers or Lighthouses are used

User reports that if more than 5 trackers are connected, UE4 crashes Suggested fix: Root cause of bug is related to the fact that UE has no setup to receive input events from Vive Trackers. (we ha ...

Haptic effect for Oculus touch does not last longer than ~2 seconds

Haptic effect for Oculus touch does not last longer than around 2 seconds even when set to a longer time. ...

Default values of map variable with instance editable set to true cannot be changed for instances in the level

It appears that the information contained in a map variable that is been marked as instanced editable can not have the information changed from the default values. An instance who values have been c ...

Animation Sequences in Sequencer Set to Frame 0 When Transform Curve is Moved

-When a curve of a transform track is edited animation tracks set themselves back to start at frame 0. -Tested with scale to avoid interference with location -sequencer is not docked ...

Crash when Changing the Preview render levels (to ES3)

If the Preview rendering level is changed to Android ES3.1 Preview during PIE, the editor will crash. ...

VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)

Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...