This new major release includes:
Check the project website [2] and article at NetBeans.org wiki [3] for description of these and more features in detail.
The easiest way to install the new version is to start up NetBeans and the use Plugins dialog to download and install the binaries from NetBeans Update Center.
Enjoy.
The Mevenide team
Links:
[1] http://nexus.sonatype.org/
[2] http://mevenide.codehaus.org/m2-site/
[3] http://wiki.netbeans.org/MavenBestPractices