Apple has introduced latest version of OS X Lion called OS X Lion 10.7.4 featuring some improvements both in client and server forms. Apple’s OS X Lion 10.7.4 features stability, compatibility and security. The new version also has an updated Safari.
The new OS X Lion fixes the FileVault bug. It will resolve the login issue as previously, in some cases your login credentials out in the open. The updated Safari 5.1.6 is enriched with more stability. The new X Lion also features better Internet sharing of PPPoE connections, RAW image compatibility for additional digital cameras etc.
You can download Client’s version here and Server’s version here.

