New: Resizable Widgets
This new capability unlocks a whole new world of functionality. Who knew the ability to resize would make such a difference? But yes, the ability to manually adjust the widget size is freeing, and makes the e-mail widget infinitely more useful. Resizing is simple. First, drag the widget to the home screen you want it on. Then, press and hold to reposition it, and to bring up the blue rectangular box with points you can drag out to enlarge the widget in any direction.
Improved: Web Browser
Embedded HTML5 videos now can play in-line in the browser. Previously, they launched out to a full-screen browser. Also, a hot addition for those who want to stock up on Web pages for offline reading (i.e., before it's time to turn off all electronic devices before takeoff): the browser can now save Web pages. The pages are saved to the revamped Downloads view, which now can show downloads by date or size. The Quick Controls (accessible in the browser's Settings/Labs options) now hide Application and URL bars. Lastly, in the Labs section, you can now enable Google Instant.
Improved: Contacts and Calendar