December 15th, 2008· Fixes networking problems on Mac OS X v10.5, including the use of proxy servers.
· On all Mac OS versions, it fixes speed and CPU problems (it now uses less CPU power and it downloads faster), fixes some stability problems, and uses less CPU power when not downloading.
November 12th, 2008· Adds support for FileVault and includes reduced CPU usage, download speed improvements, and better Leopard (Mac OS X v10.5) networking with proxy servers.
· After you download and apply this 5.1.1 update, Adobe Updater will again offer appropriate product updates when you choose Help > Updates.
July 11th, 2008· Supports multiple volumes and resolves a problem where an update to Adobe Update Manager was downloaded and installed, and subsequently Adobe Update Manager would quit rather than download additional updates.
· After downloading and applying this update, Adobe Update Manager will again offer appropriate product updates when you choose Help > Updates.