as far fas know from this ios 12.2 beta, there are several improvement/changes, at least in regards to the users security
enroll here: beta.apple.com
ssl security
not just since edward snowden, chelsea manning and other leaked infromation – your data matters – apple adds the noticable change in safari when browsing at webages that a not secure


read more about ssl strip @wifi security today and attack vectors
profile installation
profile at ios devices mean everything in enterprise, to enroll a private users device in emm system it is nessccary to manually install the ios mdm profile – before ios 12.2 the profile popped up to install – beginning with the new release, after successfully authenticated with emm the ios profile is download, user needs to manually navigate to settings and select to install profile

motion data
the new motion & orientation access stetting is toggled off by default, a webpage is unable to get accelerometer and gyroscope data from the iPhone – test at what web can to today website with iOS 12.2 beta
ios13 should be available in about 4 months