Thanks to Apple’s beta preview of iOS 11.3 released last week, app developers are already experimenting with the ARKit capabilities that will be available to regular users this spring.
The highlight of ARKit 1.5 is vertical surface detection. The first iteration of ARKit was limited to horizontal surface detection, which has placed constraints on what developers could do with regards to room scanning.
Vertical surface detection alone will be a boon for retailers, who will now be able to make things like posters, shelves, and other wall hangings in addition to floor-dwelling couches, chairs… more
Source: Apple AR: Apple’s ARKit Update Already Being Taken to New Levels in These Developer Experiments