: This is not an official release from Adobe. The final official update for Acrobat XI was version 11.0.23 , released on November 14, 2017.
: Automate routine, multi-step tasks into a single "Action" to improve workflow efficiency. Security & Protection Adobe Acrobat on desktop release notes PATCHED Adobe Acrobat XI Pro 11.0.30 Multilingual
For professionals in international business or academia, having a fully multilingual tool is a necessity. However, legitimate versions of Acrobat XI Pro also offered this – just through a legal license. The "patched" version simply unlocks what was already there. : This is not an official release from Adobe