Require comment when WIP limit is exceeded
When a user pulls a card causing a WIP violation in a horizontal or vertical lane (i.e. swim lane WIP), they should be required to enter a reason why they are exceeding the WIP limit.
This could be a policy option too.

Hi Martin,
Thanks for your feedback and voting on this idea.
We have implemented a new policy that when enabled, prompts a user to add comments when a WIP limit is exceeded for a lane where the card is being pulled. This feature is now live on the servers and hope it’ll be useful to all of you.
Let us know if you have any feedback/ suggestion on this or any more ideas/ suggestions.
Thanks,
Swift-Kanban Team