Please note that we have already supported
qBitorrent client 3.3.0 and above
qBitorrent client 4.0.0 and above (except 4.0.3)

The following clients are no longer supported with immediate effect:
rTorrent 0.9.6，rTorrent 0.9.4/0.13.6
You may continue to use rTorrent 0.9.4/0.13.4