For the uninitiated, these nightly builds of WebKit represent the bleeding edge in WebKit development. WebKit is the name of the rendering engine found in Safari and Google Chrome. By downloading a nightly build, your local version of Safari launches using the latest version WebKit. It’s sort of like driving your car to work with a brand new engine every day. Builds are available for both Mac and Windows, but I figured Windows folks wouldn’t be as excited.
She’s quite fast. Promise.