Anything "BOINC" specific can be commented on here...such as Project news and announcements etc. Also: any problems with BOINC or maybe you have found something interesting, tell us about it. Chat about the various 3rd party client applications used for some of the projects such as optimised clients.
There have been a couple of confirmed posts that 7.4.27 doesn't support a resource share of 0 for a back up project whereas 7.4.22 does. I think I'll hold off upgrading for a while yet. "If it ain't broke, don't fix it!"