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I'm sure I used to have qBitTorrent choose a random port from a range of my choosing every time it started and open it using UPnP.

Now it just seems to have chosen a fixed port that it always tried (and silently failed) to open, because it was outside the range my router is set to allow for UPnP.

Obviously now I know what's happening I have changed it to a fixed port that is allowed but I can't see how to make it choose randomly again!

Has this feature been removed in the latest version?

If so why?

Note: I'm running qBitTorrent 4.4.0 (64 bit) on Windows.

4.3.9 has the setting under "Connection" under "Options": Use different port on each startup. But it doesn't allow a range to be set, haven't seen that in the many years I've been using qBittorrent.

Maybe I set the router to match the range of ports qBitTorrent 4.3.9 used.

I think the router is set to allow only ports 49152 - 65535 for UPnP.

Anyhow the question remains.

Why has this feature been removed?

Feature still not present in 4.4.1.

I guess I have to give up on the idea of using a different random port each time I start qbittorrent.

They did not remove the option but embedded it in the port chooser. All you need to do is to enter 0 for port in order for qbittorrent to automatically choose a random port for you at startup.