I read somewhere else that the python-twisted package is also required for 1.2rc1. I saw that before I even tried starting it up, so I had it installed already. Check that it's installed. Other than that, I'm not sure what else could be the problem.

Back up your old .config/deluge directory and delete it. Try restarting the demon then. Had the exact same issue and that worked for me.

Got the daemon running in RC1 after wiping out my old .config/deluge file. Most of it seems to be work working well so far save my issue below. I have both the options checked in the Connection Manager to "Automatically start localhost if needed" and "Automatically connect to selected...

Can confirm that FlexRSS does not work with 1.2rc1. My current torrent source has been having awful website performance, so the RSS feed has taken a dump and I'm back to manually adding while they fix it. Figured I'd just help test 1.2 in the mean time. Will try setting up FlexGet if I have the chan...