The task management and commenting component offers the following features:
creation of tasks or comments for arbitrary model elements or model element properties
management of tasks or comments in a task list
scheduling, priority assignment, user assignment, user notification based on tasks
context management: navigation from the task or comment to the associated model element and vice versa
local storage of comments or tasks in a private repository
connection to global issue tracking repositories (bugzilla http://www.bugzilla.org/ , trac http://trac.edgewall.org/etc.) for usage in teams and sharing of task or comment information.
Note that the task management and commenting component requires the "Connectivity Package" license.