There's an open Debian bug in regards to that (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063319), but that's a separate bug from this, though it would be justify to fix it as it affects this bug (as noted in that bug).
** Bug watch added: Debian Bug tracker #1063319 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063319 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2063847 Title: Audacity hangs on launch if calf-plugins package is installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/audacity/+bug/2063847/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs