DCUO Launches Game Update 20
SOE deployed Game Update 20 (GU20) to DC Universe Online (DCUO) yesterday, adding the new Temple of Isis Legends PvP Arena exclusively for Legendary members and/or Hand of Fate DLC owners. GU20 also includes new open world content for Strykers Island, several bug fixes and tweaks, and brings an end to The Witching Hour event.
Read the official patch notes for all the latest changes.
Source: DCUO GU20 Now Live