There is a great post on the macports mailing list that identifies and explains some issues installed software might have after upgrading: http://lists.macosfo

There is a great post on the macports mailing list that identifies and explains some issues installed software might have after upgrading: http://lists.macosforge.org/pipermail/macports-dev/2011-July/015263.html http://lists.macosforge.org/pipermail/macports-dev/2011-July... I got bit by the Libc part, and I bet a lot of homebrew users will be as well. FWIW, on macports svn at least, these issues are resolved.