The refresh to their website makes it easier to browse fonts.
The new design differs from the older version as it's intuitive and allows designers and developers to rapidly preview and compare fonts.
One of their primary objectives of Google Fonts is to make the web more beautiful, fast, and open through great typography. With this new and easy to use website they've certainly made a major leap towards improving the web for everyone.
After the release of this refreshed look and feel, it becomes a lot easier for designers to choose beautiful typography from the 804 fonts Google currently offers for free.
Well done Google.