* Add ``--live/--no-live`` option to control when to print debug output. Thanks to `John Sandall`_ and `Thomas Grainger`_ (Issue `153`_, PRs `247`_ and `251`_).
* Add ``--extra-index-url <url>`` option. Thanks to `Erik Jan de Vries`_ (PRs `250`_ and `252`_).
* Fix for a bug introduced in 2.2.2 when running pip-compile-multi installed for Python 3, and having ``python`` symlinked to Python 2 (Issue `233`_, PR `234`_).