I just installed 2.0.19pre1 which I got from here (as per your directions on the mailing list):

http://www.gftp.org/gftp-test.tar.bz2

I connect via SSH2 and can browse directories on the server with no problems.  But when I try to upload a file, it just hangs.  The log says this, in green:

12: Open /path/on/server/filename.foo

And the queue/transfer pane says this:

[icon] local filesystem 0% complete 00:00:01 est. time remaining. (File 1 of 1)
|------filename.foo Waiting...

And when I right-click on it and choose Transfer->Stop, it does nothing.  The log says "Stopping the transfer on host mysite.com" but it doesn't stop, nothing changes.

That's when I try to upload a file.  When I try to DOWNload a file, gftp crashes and dumps core.  I'll attach a backtrace.

I'm running Ubuntu 6.10 (Edgy Eft) with the default kernel ("2.6.17-10-generic") on an Intel Core 2 Duo.