Simples Assim

http://maven.apache.org/plugins/maven-eclipse-plugin/reactor.html

Ambos os plugins finalmente vão chegar a versão 1.0.

http://www.infoq.com/br/news/2011/05/novos-git-m2eclipse

Nice changes coming in 1.0.

https://issues.sonatype.org/browse/MNGECLIPSE-1732 (vote for it!)

If you get the There is schema defined for this pom.xml. Code completion will not work without a schema defined. warning, just add the schema declaration to your POM.

It doesn’t work with Wagon 1.0-beta-6.

https://issues.sonatype.org/browse/MNGECLIPSE-1848 (vote for it!)

https://issues.apache.org/jira/browse/FELIX-1601 (vote for it!)

As discussed here, if you get the org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the plugin manager executing goal 'org.codehaus.mojo:jaxws-maven-plugin:1.12:wsimport': Mojo execution failed message when building your project, you need to upgrade to 0.9.9 with the 3.0 embedder.

0.10 is as far as you can go.

http://archive.m2eclipse.codehaus.org/lists/org.codehaus.m2eclipse.user/msg/49E6AED0.1050900@md.pp.ru