>>> Updated on Jan 23, 2011
I just uploaded a new version of Scala plugin for NetBeans 7.1, which fixed the right-click issue. To download: http://sourceforge.net/projects/erlybird/files/nb-scala/7.1v2.9.x/
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NetBeans 7.1 released several days ago, I downloaded and installed the plugin for Scala-2.9.x, and it works.
