Hello! I am using the Brooklyn theme and would like my shopping cart to update automatically when the number of products is changed. Can anyone of you show me quickly or even do it? Thank you very much! - Nico
Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community!
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.