Now in December 2016, In Material design here is the latest added new section and significance updates.
- Platforms discusses when and how to adapt apps to Material Design, and when to adhere to platform conventions
- App shortcut icons contains specs on how to create app shortcut icons for the home screen
- Help and feedback describes how to indicate, craft, and place help content
- Bidirectionality has updated guidance on mirroring UI content and icons in right-to-left (RTL) languages
- Accessibility contains new guidance on sound, controls, labeling elements, and testing
- Selection includes detailed examples on item selection, toggling, and styling
Happy Coding !!!