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Vaadin 6.8.12 has just been released and has been replicated to the official Maven repositories. It is a maintenance release for the 6.8 branch, and contains some miscellaneous bug fixes. You can read the full release notes at http://vaadin.com/download/release/6.8/6.8.12/release-notes.html.
You can now update your Maven/Ivy configurations to start using 6.8.12, or download it from our direct download page.