An ownCloud user pointed it out on github https://github.com/owncloud/core/issues/25658.
And I think it would lead to an easier navigation.
oC 6 had two buttons :
What do you think about splitting the [ + ] current button?
- Split the [ + ] button and have at least two buttons, the fewer clicks, the better.
- Don't split [ + ] button, I don't want to see more buttons there.