that it has been only very lightly tested, and that things might not work as expected or might outright break;
that I'm not sure what sort of effect RSS readers polling will have on the site's bandwidth and database usage.
For the time being I’m counting on you to ensure your RSS reader doesn’t refresh the feeds too often (half-hourly is the slashdot standard and seems appropriate). Please don’t ruin things for others by having your reader refresh too often.