Apple launches a Developer Preview of X Leo — via the App store Mac

Two days ago for the first time reported that Apple was likely to launch a developer beta of X Lion "soon". Well, how is this so soon? This morning, alongside his new MacBook Pros, Apple announced the developer preview of the latest version of X and the most interesting aspect can be like Apple is releasing this developer preview: through the Mac App Store.

Once again, to be clear, this initial test version of the operating system is for developers only. The final version of the lion is still on track to be released this summer, Apple notes.

What's new? Well, we had previously heard about some of the features of Lion during a press conference in October. Today brings more some of these features, including AutoSave, versions, curriculum, Mail version 5 (with a new segmentation feature called "Conversations"), AirDrop and Lion Server (which has its own characteristics).

As you can probably guess, many of these features borrowed what Apple learned about the iPad/iPhone. This includes the ability to auto save documents and resume (even after you restart your Mac). The new version of mail is also very iPad-like.

In General, OS X UI has been changed to remove the default side users of x scroll bars are used to see those were replaced by scroll bars that appear only when you need them, again, as applications of iOS. Apple says that the UI is still named Aqua, but observes: "Aqua defines the look and feel that users expect from Mac OS x. Lion takes this experience and leads you to a new level with popovers, scroll bars, rollover and powerful multi-touch gestures and animations.

AirDrop is a way to send files to any other Mac around wireless. Kind of sounds like the drum, but peer-to-peer without the cloud element. Apple writes.

With AirDrop in Mac OS X Lion, you can send files to anyone around you