Oracle 11gR1 Now In Legacy Realm
Oracle Database 11gR1 patches are now only available for customers who are enrolled in the Oracle Extended Support program. The current release of Oracle is 11gR2 11.2.0.3. Oracle is 11gR2 11.2.0.4 was expected in late 2012 but as yet has not been made available.
Oracle 12c with much anticipated improvements in Human Capital, Finance and related Analytics and Data Mining is expected by Summer 2013.