Here's a short list of the most important changes:
Introduced Easy mode for newbies, Advanced mode for pros
Improved detections to avoid false positives (MD5 checksums)
Improved detection mechanisms for morphing files (dynamic checksums)
Added new Immunize section as a preventive measure against spyware
Improved help (including description of each page, quick help & help buttons on each page)
Added silent mode command line parameters
Fixed some problems appearing as Zugriffsverletzung
Improved readability for blind users
Improved and printable logs
Fixed bug that prevented all user accounts to be scanned
Improved support for running on non-admin account
Added support for external file viewers
In the update bar to the right you'll also see the updates coming with version 1.2, including more than a hundred new dialer variants and improved detections for some other threats.