This problem is also present in the current build which is sitting in the Ubuntu Universe repository.
I've tried raising the no. of upload slots to no avail.
It's almost certainly not my ISP, since they definitely don't perform any traffic shaping or port throttling to speak of.
The nominated port is DEFINITELY open on my firewall
As someone else said, it's damaging for users of private trackers if we can't maintain our ratios...
Has there been any development, or fixes regarding this? I'll have to resort to uTorrent under Wine if not
