Easier Build Artifacts Configuration
It is now possible to browse agent checkout directory of a last build during artifact paths configuration:

Changes Page
Now the Changes page displays a pie-chart for each change indicating the ratio of pending, successful and problematic builds.
Other Improvements
- The SSH Keys setting for a project now has a counter to be consistent with other settings, such as VCS Roots, Parameters, etc.
- Maven 3.1 is now bundled with TeamCity
- .NET Inspections runner now supports .NET 4.5.1 as one of the target frameworks
- A number of performance and usability problems have been fixed
- resolved issues