In the past month or so the following features got added to the caniuse site:

CSS

CSS3 Cursors (new values)
CSS touch-action property
CSS clip-path property
Font unicode-range subsetting
CSS font-stretch
CSS font-size-adjust

APIs

CSS.supports() DOM API
CSS Font Loading
Web Cryptography
crypto.getRandomValues()
Screen Orientation
Gamepad API

Other

PNG favicons
SVG favicons
A number of these were submitted via GitHub, many thanks all the people who helped to contribute!