Mac OS X 10.7.2 goes public few hours ago.
The major change is the iCloud. Yes this version of Mac OS includes iCloud.

The 10.7.2 update is recommended for all OS X Lion users and includes general operating system fixes that improve the stability, compatibility, and security of your Mac. It also includes support for iCloud, a breakthrough set of free cloud services that automatically and wirelessly store your content on iCloud and push it to all of your devices. iCloud on OS X Lion includes the following features:

• iCloud stores your email, calendars, contacts, Safari bookmarks, and Safari Reading List and automatically pushes them to all your devices.
• Back to My Mac provides remote access to your Mac from another Mac anywhere on the Internet.
• Find My Mac helps find a missing Mac by locating it on a map and allows you to remotely lock the Mac or wipe all its data.

Getting started with iCloud is easy. After installing the update, OS X will automatically present an iCloud setup panel. Simply enter an existing Apple ID or create a new one and then follow the on screen instructions. To learn more about iCloud visit http://www.apple.com/icloud.

The 10.7.2 update also includes Safari 5.1.1 as well as fixes that:

• Allow reordering of desktop spaces and full screen apps in Mission Control.
• Enable dragging files between desktop spaces and full screen apps.
• Address an issue that causes the menu bar to not appear in full screen apps.
• Improve the compatibility of Google contact syncing in Address Book.
• Address an issue that causes Keynote to become temporarily unresponsive.
• Improve VoiceOver compatibility with Launchpad.
• Address an issue that causes a delay in accessing the network after waking from sleep.
• Enable booting in to Lion Recovery from a locally attached Time Machine backup drive.
• Resolve an issue that causes screen zoom to stop working.
• Improve Active Directory integration.

iBook app get update to version 1.2.2.

iBooks is an amazing way to download and read books. iBooks includes the iBookstore, where you can download the latest best-selling books or your favorite classics – day or night. Browse your library on a beautiful bookshelf, tap a book to open it, flip through pages with a swipe or a tap, and bookmark or add notes to your favorite passages.

Changes in iBook ver 1.2.2

• Addresses issues playing video included with enhanced books from the iBookstore.
• Resolves a problem where some books open with a different font than expected.
• Makes iBooks more responsive when navigating books with many items in their table of contents.

Apple released Mac OSX 10.6.7 update. It’s about 300MB in size if you use the software update app. Macbook Air users should aslo get the supplemental update after updating to 10.6.7.

The 10.6.7 Update is recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes that:

• Improve the reliability of Back to My Mac
• Resolve an issue when transferring files to certain SMB servers
• Address various minor Mac App Store bugs

You can find more information about this update on Apple Support Site.

Apple released an update to iBooks App for iPhone and iPad. According to Apple the new iBooks ver 1.2.1 adds a number of stability and performance improvements. In my experience this version is much more faster in loading PDF files on iPhone 3GS.

You can download it here.

With the release of iOS 4 , Saurik has updated both Cydia and Mobile Substrate almost immediately.

Everyone on OS 4.0, it is recommended that you update.

[via fsm]