


I haven’t looked at the source code, so I am simply speculating here. In fact, I was experiencing very annoying, extremely slow uploads, and changing to a fixed upload rate limit made it much better. If this is strictly true, and if it also applies to the desktop app (of which I’m using the Linux version), this may explain some upload speed problems-and it may be a problem.

We therefore offer an automatic speed management option, where we measure your available outbound bandwidth during the initial ten seconds of an upload, and then keep at least 10% of it unused. Many routers deprioritize smaller packets in case of network congestion, resulting in your inbound traffic being severely affected when your network outbound bandwidth runs full. The web client help describes the Auto upload speed as
