Oracle 11gR2 has just been made available for download. The first operating system which runs the new release is Linux x86 and x86-64. Other operating systems will follow. Get the details about what’s new in 11gR2 in the Lowering Your IT Costs with Oracle Database 11g Release 2 white paper and in the New features guide of the online help. Also check out the new Oracle 11gR2 web-site!
BTW, the 11gR2 release also contains the most current APEX release which is 3.2.1.