January 2017 web platform update

Now available in Chrome
Limited availability

Border images: The border-image CSS property draws an image around an element. Learn more.
Sticky positioning: The position: sticky CSS declaration positions an element in the normal flow until it crosses a specified threshold, at which points it becomes fixed (stuck) at that position. Learn more.
WebRTC: The WebRTC API establishes real-time communication channels directly between browsers. It is commonly used in video conferencing applications. Learn more.

Constraint validation API: Methods that validate form controls before submission, such as checkValidity(), reportValidity() and setCustomValidity(). Learn more.
:indeterminate: The :indeterminate CSS pseudo-class selects any form element whose state is indeterminate, such as checkboxes that have been set to an indeterminate state with JavaScript, or radio buttons which are members of a group in which all radio buttons are unchecked. Learn more.

:indeterminate: The :indeterminate CSS pseudo-class selects any form element whose state is indeterminate, such as checkboxes that have been set to an indeterminate state with JavaScript, or radio buttons which are members of a group in which all radio buttons are unchecked. Learn more.