==================
- Drop support for Python 3.3.
- Enable test coverage reporting on coveralls.io and in tox.ini.
- Host documentation at https://zopetestrunner.readthedocs.io
- Remove untested support for the ``--pychecker`` option. See
`issue 63 <https://github.com/zopefoundation/zope.testrunner/issues/63>`_.
- Update the command line interface to use ``argparse`` instead of
``optparse``. See `issue 61
<https://github.com/zopefoundation/zope.testrunner/issues/61>`_.
- Use ipdb instead of pdb for post-mortem debugging if available
(`10 <https://github.com/zopefoundation/zope.testrunner/issues/10>`_).
- Add a --require-unique option to check for duplicate test IDs. See
`LP 682771
<https://bugs.launchpad.net/launchpad/+bug/682771>`_.
- Reintroduce optional support for ``subunit``, now with support for both
version 1 and version 2 of its protocol.