This idea has been merged into another idea. To comment or vote on this idea, please visit APP-I-5830 Allow To-do's to be moved .
To-dos should be able to be moved. Either assign it to a new phase or release or for those that are "orphaned" be able to put them under a parent. To-do's can capture a lot of attachments, conversations, etc that should be moved when the to-do has to be adjusted (vs just closing and recreating).