📃 July 2013 release notes

New in Chrome

The following features are now available in Chrome:

CSS object model: The CSS object model API reads, creates, and modifies CSS stylesheets and inline styles. Also known as CSSOM.
@supports: The @supports at-rule applies styles based on a browser's support for CSS features, such as a CSS property and value. Also known as feature queries.

The following features are now available in Chrome Android:

calc(): The calc() CSS function computes mathematical expressions such a calc(100%/3 - 1em).
CSS object model: The CSS object model API reads, creates, and modifies CSS stylesheets and inline styles. Also known as CSSOM.
@supports: The @supports at-rule applies styles based on a browser's support for CSS features, such as a CSS property and value. Also known as feature queries.
WEBGL_compressed_texture_pvrtc WebGL extension: The WEBGL_compressed_texture_pvrtc extension for WebGL 1.0 and 2.0 contexts adds PVRTC compressed texture formats to compressedTexImage2D() and compressedTexSubImage2D().