On the Dropbox website, when a you attempted to upload a folder to the root folder of your shared team space, you can now set permissions for that folder, specifying who can view the content you are adding.
You can find more details about Team Folders, and how to use them here.
If you have more ideas on how we can improve our product then check out our Paper ideation board here, or our Dropbox Business ideation board here. Request improvements, suggest ideas, we’ll review them all! Thank you for helping to improve our product.