Following are feature which added to Ionic 1.2 Version.
1. Native Scrolling - Ionic 1.2 support native scrolling on all platforms.
2. New Slide Box - New Slide Box based on the amazing Swiper widget.
3. Windows 10 - Ionic 1.2 supports Windows 10 and Edge
4. Mobile Web - Ionic 1.2 supports both the app store and the mobile web.
5. Form Inputs - Ionic 1.2 we no longer support using <label>. Now <label> is moved to <ion-input>.
6. Radio and Checkbox - Ionic 1.2 will not support for the raw HTML and CSS versions of Radio and Checkbox. You must use the directives.
7. Cordova Help - Debug the case where device ready does not fire
8. Ionic View - new release for sometime in the next few weeks for both Android and iOS.
Learn more about Ionic 1.2 here - http://blog.ionic.io/announcing-ionic-1-2/
Source Code - https://github.com/driftyco/ionic/releases/tag/v1.2.0