User documentation for this plugin is at github.com/leovitch/redmine_importer/wiki. This plugin is functional now, including in multiprocess environments. The plugin has been tested on Redmine 1.1, 1.2.0, 2.2-stable, 2.3.2 (report by Jérôme BATAILLE) and 2.6.0.stable. The database is used for intermediate storage. To install: Prerequisites: Unless you are using ruby-1.9, you’ll need the fastercsv