Before you get too excited, bear in mind that said it was for members of the Apple developer program. Therefore, you need to know the activation code to download the preview. Meanwhile, have to settle for drooling additional features should be included in León are:
- New version of Mail, with an elegant, widescreen layout inspired by the iPad; Conversations, which automatically groups related messages into one easy to read timeline; more powerful search; and support for Microsoft Exchange 2010;
- AirDrop, a remarkably simple way to copy files wirelessly from one Mac to another with no setup;
- Versions, which automatically saves successive versions of your document as you create it, and gives you an easy way to browse, edit and even revert to previous versions;
- Resume, which conveniently brings your apps back exactly how you left them when you restart your Mac or quit and relaunch an app;
- Auto Save, which automatically saves your documents as you work;
- the all new FileVault, that provides high performance full disk encryption for local and external drives, and the ability to wipe data from your Mac instantaneously; and
- Mac OS X Lion Server, which makes setting up a server easier than ever and adds support for managing Mac OS X Lion, iPhone®, iPad and iPod touch devices.
- Includes Mac App Store