I just ran into this issue with a team member today. I bulk updated time
constraints on the task to allow the team member to change the duration
by simply changing the dates on the calendar. Unfortunately, they went
to add additional tasks and lost the functionality to do fixed dates. It
required them to go into the edit task area to change it manually, which
presents some problems. The customer service rep gave me the excellent
idea to have time constraints as another column on our project, so ...