0.5.0 :small:`9 February, 2018`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

- inform about duplicates in :class:`~anndata.AnnData.var_names` and resolve them using :func:`~anndata.AnnData.var_names_make_unique`
- automatically remove unused categories after slicing
- read/write `.loom <https://loompy.org>`_ files using loompy 2
- fixed read/write for a few text file formats
- read `UMI tools`_ files: :func:`~anndata.read_umi_tools`

.. _UMI tools: https://github.com/CGATOxford/UMI-tools
