Apple password manager, improved iCloud keychain New extension point for 3rd party pass mans Auto fill one time codes from messages
Instruments extensions custom Os_log Os_signpost
Gatekeeper Sip protections for apps Notarized apps, addition to signing
Dark mode blended backgrounds
Nsgridview
Object library moved New refractors for swift Scm change bar Scroll past end Better code folding with ribbon Multi cursor editing Box select and edit
Bitbucket abnd gitlab Auto keygen Pull rebase
Memory debug tools Unit test parrelelization
New swift build system Better diagnostics, faster
Swift 4.2 Swift playgrounds run new line with out restating
Swift 5 in os 2019
New natural Lang api
Core ml 2 and create ml Efficiency !Learn about playgrounds
OpenGL deprecated in mojave
Crazy stuff new in arkit2 Swift shot dev/arkit open license