Using ARKit with 4.18 Preview?

Hello FlawsomeInteractive,

This was addressed in the 4.18 Preview 1 Announcement thread on the forums. Please see the following post for the information found by a user who was asking the same question:

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1357546-unreal-engine-4-18-preview?p=1358080#post1358080