IMPORTANT

New group layout: How to submit to the group

You can use this workaround tell dA fixes the problem with the new groups layout 

Thank you to ambient-avalancer, AndreaGodoy and Foolish-Hearts for giving me insights to this workaround and having it currently applying to all group folders

1st; Click on your deviation , 2nd; On your deviation page you will see a button that says add to group click on that and you will get a list of groups you can submit your stuff to, click on that group and it will open a list of the folders inside of that group. (you should be able to do this for all groups that you are at least a member in), 3rd; Find the folder inside of the group all well still on your deviation page, click on that folder, If all goes well you have just submitted your deviation submission into the groups folder.

You can also follow this route

Another way is to click "Submit" on the right of the group's header bar. Choose the drawing from your gallery, then select the folder you wish to submit to from the drop-down menu at the upper left of the window.