Google’s Chrome OS software is in a constant state of evolution. And for the tinkering-lovin’ tech nerds among us, that means there’s always an opportunity to find and embrace something new — often long before it’s officially released and available to the masses.Well, gang, we’ve got quite the tasty treat to tinker with today. It’s a massive update Google’s been cookin’ up for its Chromebook app launcher for a while now, and it’ll bring a significant change not only to how your device looks but also to what it’s like to use.