Reminder notifications?

Question about Kanban boards: is there a way to use Rules to send a notification automatically, based on how long a card has been sitting in one column? (i.e. if card has not moved in x-days, notify person-x)

Or is there a feature request I can upvote?

Hi @Justine_D, we have a thread in our #productfeedback category requesting the option to Set a reminder to tasks. With this feature, you could set reminder to tasks in your Boards based on how long cards have been in specific columns. We don’t have updates about this feature at the moment but I suggest you to add your vote to support it!