The number of simultaneous transfers is not handled properly. It can end up in not downloading anything anymore while there are still transfers queued. When changing the number in the box at the bottom of the transfers window up and down at some time nothing changes anymore in the real amount of transfers . When some time later all active transfers have ended the transfers still queued are all in the ""maximum allowed connections exceeded. Waiting..." state and none of those transfers are becoming active. So nothing is transfered anymore.

What I have also seen is that the maximum # transfers is set to a certain nunber and there are already more transfers active thenthe nunber is the selct box but when I increase the maximum more transfers become active despite the fact that the number of active transfers was higher than the maximum in the box.

[UPDATE v.7.9.0]: When queued transfers in the download box are stopped then resumed, CyberDuck stops limiting the maximum number of transfers allowed. It downloads all transfers simultaneously instead of queuing them.