Web pages will also be able to request to read your accelerometer or gyroscope in real-time with Device motion events. Google suggests that this particular ability will be helpful with websites like isthisanearthquake.com, which will let you know if what you're experiencing is your cubicle partner shaking their leg or the earth below you shaking its mantle.
Also added to the update is the Media source extension, which helps live streaming video quickly adapt to the network conditions on your mobile device. Beyond that, there are a few other extremely minor, mostly developer-specific changes that you can read up about at Google's official post on the update. Or you can go and download Chrome for Android Beta yourself and check it out.
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