The last update ever released for this series was version 9.5.5 on 14 May 2013.
Included Adobe Presenter 7 and Adobe LiveCycle Designer ES. Adobe acrobat 9 pro extended 9.1 0 update 9.5.2
Acrobat 9 Pro Extended included specialized tools not found in the standard "Pro" version: The last update ever released for this series was version 9