Flatten

Flatten

The cards to flatten are separated into two parts:

1. Backlog: if the due date of card is earlier than today, the card will be postpone. The card with low stability will be postponed to recent date at first.
2. Future Due: if the due date is later or equal to today and the workload exceeds the limit, card with high stability will be postponed. The card with early due date will be postponed to recent date at first.