This page shows what you need to know about the new Eclipse Scout 3.9 release shipped with Eclipse Kepler.
Scout Sources moved to GIT
For Kepler, Scout has moved to GIT: http://git.eclipse.org/c/scout/.
For more information see Getting_the_Scout_Sources.
Scout EPP Changes
Egit features added to EPP
CVS features removed from EPP. If CVS is needed, it has to be installed manually.
Some features and bugfixes sometimes require a change of the api. If this has been the case for the new release then you'll find behind the link below a guideline how to migrate your scout application to the newest release.