--Every few days I set aside a large block of time to go through that bug queue. If easily fixable, I fix it and respond back: "Fixed!" If not, I put it in another category, and explain why it is a complex issue and how and when it might get fixed (or not).
--All feedback gets pushed to my personal email inbox--gmail :)
--I try to do 0-inbox, i.e. keep my inbox at zero messages. This is usually not attainable, but means it functions essentially as a to-do list.
--I respond to all feedback ASAP (unless anonymous).
--If it is something simple that I know how to fix I try to do it that day.
--If it is something a bit more complicated, I respond, and put it on the bug queue. I'm currently using http://speckleapp.com for that, made by an HNer (http://elliottkember.com/).
--Every few days I set aside a large block of time to go through that bug queue. If easily fixable, I fix it and respond back: "Fixed!" If not, I put it in another category, and explain why it is a complex issue and how and when it might get fixed (or not).