Watcher Groups - Plugins

ウオッチャーのグループ化出来るのかな？Redmine Watcher Groups

Plugin for Redmine that adds functionality to have Watcher Groups in addition to Watchers. Adds new list in the showed Issue sidebar which lists added Watcher Groups and allows to add/remove groups to that list. All notifications to involved in a issue users (watchers + involved) are sent also to the current members of all added groups.

Full article: http://www.redmine.org/plugins/redmine_watcher_groups