In general, the Feedback portal is the place where we track the customer demand for various features and bug requests. When planning for a release, we gather and take into account all feedback from the public portal. This helps to plan our future development accordingly based on the customer's interests.
As for dragging whole tasks, such functionality was already been discussed and logged as part of the Gantt enhancements that could be done. But the implementation of this feature was not started yet.