ionic info is showing my OS as Yosemite even though I'm running El Capitan.
This isn't causing any problems that I know of but I figured I'd mention it since I noticed it while looking into something else.
Cordova CLI: 5.4.0
Gulp version: CLI version 3.9.0
Gulp local:
Ionic Version: 1.2.1
Ionic CLI Version: 2.0.0-alpha.9
Ionic App Lib Version: 0.5.0-alpha.9
ios-deploy version: 1.5.0
ios-sim version: 3.1.1
OS: Mac OS X Yosemite
Node Version: v0.12.5
Xcode version: Xcode 7.2 Build version 7C68