After looking through some of the issue tracking sites that people kindly pointed me to, I've set up a trial on Lighthouse.
It is at: http://self.lighthouseapp.com
You can see from the information there that the current plan is to issue a new release in late January, and a hopefully final Self 4.4 on Linux and Mac in late February.
We can then move on to more exiting improvements!
I encourage everyone to add issues etc.