<ion-textarea> is deprecated in 2.2.0?

When I check the newest document (2.2.0), I cannot find ion-textarea element. Is it deprecated?

But I still can use it in project. I had updated to 2.2.0.

ionic info:

Cordova CLI: 6.5.0
Ionic Framework Version: 2.2.0
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.2.0
Ionic App Scripts Version: 1.1.4
ios-deploy version: 1.9.1
ios-sim version: 5.0.13
OS: macOS Sierra
Node Version: v6.9.5
Xcode version: Xcode 8.2.1 Build version 8C1002

it is available. and i amusing this in my project having ionic 2.2

Do you have any idea for that?