Checked the versions - it states 1.3...
Plugin Version Description
Artifact Size 0.2 Measure the size of the project artifact.
Branding 0.1 Allows to add your own logo to the Sonar UI.
Clirr 1.0 Checks Java libraries for binary and source compatibility with older releases.
Motion Chart 1.2 Display how a set of metrics evolves over time.
PDF Report 1.2 Sonar plugin for PDF reporting
Quality Index 1.1.3 Calculate a global Quality Index, based on coding rules, Style, Complexity and Coverage.
Radiator 1.1 Display measures in a big treemap.
SCM Activity 1.3 Collects and reports information from SCM.
SIG Maintainability Model 1.0.1 Implementation of the SIG Maintainability Model.
Security Rules 0.3.1 Enables to monitor closely a defined set of security rules.
Switch Off Violations 1.0
Taglist 1.0 Analyze various tags found in the code, like @todo or //TODO.
Technical Debt 1.2.1 Calculates in US Dollars the work required to fix all quality issues in source code.
Timeline 1.1 Advanced time machine chart.
Total Quality 1.0.2 Provides an overall measure of the quality of the project, linking code quality, design, architecture, and unit testing.
Trac 0.2 Retrieves and reports the number of project issues from a Trac instance.
Web 1.0.2 Analyze web code.
Xml 0.1 Analyze XML and XHTML documents.
fb-contrib 1.0 New Findbugs rules (see http://fb-contrib.sourceforge.net)
Checkstyle Analyze Java code with Checkstyle 5.1.
Cobertura Get code coverage with Cobertura.
Core Provides all common components required to cover all languages.
Database Cleaner Optimizes database performances by removing old and useless data.
Design Analyze Java bytecode to compute O.O. metrics and extract dependencies between resources.
Duplications Find duplicated source code within project.
Findbugs Analyze Java code with Findbugs 1.3.9.
Google analytics Add the Google Analytics tracking script to the Sonar web application
PMD Analyze Java code with PMD 4.2.5.
Squid for Java Squid analyzer for Java.
Surefire Get results of unit tests with Surefire.