It's worth noting this post is a year old. I can't remember exactly if this was mentioned in the docs at that time, but it is now: https://nextjs.org/docs/app#h

It's worth noting this post is a year old. I can't remember exactly if this was mentioned in the docs at that time, but it is now: https://nextjs.org/docs/app#how-can-i-set-cookies https://nextjs.org/docs/app#how-can-i-set-cookies. It's possible this post influenced us making the docs better last year.