As a stabilization version it not include many new function but focus on fixing the bugs.
About 140 issues where solved in this version.

It also include the following change since the previous beta version:

• Native 64 bit version for Linux and Windows
• Integrated ASCOM Interface, can be used on Windows x64.
• Support for INDI 0.6
• More command line options to allow automation from simple script.
• Add Solar System symbols.
• Change default color and star setting.
• Allow to change bitmap stars image in photographic mode.
• Possibility to make DSO not filled in graphic mode.
• Add mode keyboard shortcut.
• Right click on many button to directly access the corresponding setup form.
• More DSS online server.
• Update SAC database to version 8.1.
• On Mac OS X the user setting directory change from ~/.skychart to ~/Library/Application Support/skychart
• Fix tcp/ip server on Mac OS X.
• Draw a small circle to indicate the search result.

The full change log is here:

http://www.ap-i.net/mantis/changelog_page.php?project_id=1&version_id=14