We would like to be able to 'lock down' some fields unless there is approval to change them.
Release date (or due date)
Designated people in the company would be required to approve any changes to these fields.
Along with this, we would like
Notifications when these fields are changed. The people who are interested in these notifications do not want to receive notifications about all the changes to releases or features in Aha!
Reporting that can show changes to these fields over time