• add NSNumber support as a property value type 
  #371
• add a new public property trackAutomaticEventsEnabled to Mixpanel
  #370
• fix potential crash from check decide 
  #366
• Fix deprecated currentRadioAccessTechnology in CTTelephonyNetworkInfo
  #369
• Fix two minor build warnings for Xcode 11.4b3, thanks @bengottlieb
  #351