If you want, I can:

: Navigate to the Oracle Technology Network website at https://www.oracle.com/technology/ .

Premier Support ended in January 2015, and Extended Support expired in December 2020. It is now in Sustaining Support or "Market Driven Support," meaning no new security patches are issued unless you have a specialized paid contract. Top Features in 11.2.0.4 2 Oracle Database Client Preinstallation Tasks

11.2.0.4 introduced several features that were later refined in 12c and 19c: