In Kaiten, you can simultaneously perform transactions with several cards at once.
To do this, there is a button "Batch Actions" on the sidebar.
Click on the "Batch Actions" button and click on the cards you need. The selected cards will turn purple.
Click “Choose Action” to see what you can do with the cards
With Batch Actions, you can
1. Archive cards.
2. Move cards to another column or board.
3. Change tags.
4. Change the type of card.
5. Assign or remove customers, managers or participants.
6. Set a due date.
7. Resize.
8. Change the values of custom properties.
9. Manage relations:
9.1 Attach or detach parent card
9.2 Attach or detach child card