The following three features were added recently, based on user requests:

- Pattern attribute for input fields
- CSS currentColor value
- CSS background-attachment

Recent months have also seen the addition of other features since the last announcement, these include:

CSS

- text-emphasis styling
- CSS3 text-align-last
- Media Queries: resolution feature
- CSS image-set
- CSS Device Adaptation
- Crisp edges/pixelated images
- CSS box-decoration-break

APIs

- Service Workers
- Fetch API
- Object.observe data binding
- Online/offline status
- DOM Parsing and Serialization
- Internationalization API
- BroadcastChannel

HTML attributes

- hidden attribute
- Autofocus attribute

Many thanks to all GitHub contibutors for your submissions!