Chrome 21 has said goodbye to beta versions and getting stable.It turns some great features into the real life.

For the Retina display users,they now could get the better support from this latest stable version.

Moreover,a new API called getUserMedia is officially introduced.It enables to web apps to get grants to access webcam and microphone without any plug-ins.Yeah,no need to have flash player or something else.This API is the first step for WebRTC(real-time communication standard) which aims to allow high-quality video and audio communication on the web.

If you wanna try the new API,you could play Sketchbots in Chrome Web Lab there.It uses getUserMedia API to take a photo of your face,convert into some dots and lines to the robot in the Science Museum in London,and then the robot will make a sketch of your face by sands with a live show.Of course,you will have a video record too.It’s really interesting.

Here’s mine:

You can get more details about this latest Chrome here.