3.0 also includes a LiveUSB build.
No specifics of bugfixes, as they’re on a regular update schedule these days.
https://groups.google.com/forum/#!msg/qubes-users/v-eTHh3JLo0/AlaBthwhLQAJ
https://groups.google.com/forum/#!msg/qubes-users/IQdCEpkooto/iyMh3LuzCAAJ
