<commit_before>Release |version|
-----------------

:Release: |version|
:Date: TBD

New Features
------------

None

Experimental Features
---------------------

.. warning::

   Experimental features are subject to change.

None

New Backends
------------

None

Improved Backends
-----------------

* Sql backend now support coercing to and from :class:`datetime.timedelta`
  objects (:issue:`394`).
* Pandas backend now supports ``timedelta -> pd.TimeDelta``. This includes
  edges from ``None -> pd.NaT`` and ``NaT`` for ``pd.TimeDelta``
  (:issue:`394`).

API Changes
-----------

None

Bug Fixes
---------

* Fixed a bug in :func:`odo.backends.sql.append_iterator_to_table` where
  ``None`` would be returned if the iterator was empty. This now correctly
  returns the table (:issue:`395`).

Miscellaneous
-------------

* Removed support for Spark 1.3 (:issue:`400`) based on consensus.
* Compile the regex patterns once when adding to a
  :class:`~odo.regex.RegexDispatcher` instead of calling :func:`re.match` with
  strings (:issue:`413`).<commit_msg>Update whatsnew [ci skip]<commit_after>Release |version|
-----------------

:Release: |version|
:Date: TBD

New Features
------------

None

Experimental Features
---------------------

.. warning::

   Experimental features are subject to change.

None

New Backends
------------

None

Improved Backends
-----------------

* Sql backend now support coercing to and from :class:`datetime.timedelta`
  objects (:issue:`394`).
* Pandas backend now supports ``timedelta -> pd.TimeDelta``. This includes
  edges from ``None -> pd.NaT`` and ``NaT`` for ``pd.TimeDelta``
  (:issue:`394`).

API Changes
-----------

None

Bug Fixes
---------

* Fixed a bug in :func:`odo.backends.sql.append_iterator_to_table` where
  ``None`` would be returned if the iterator was empty. This now correctly
  returns the table (:issue:`395`).

Miscellaneous
-------------

* Removed support for Spark 1.2 (:issue:`296`) and Spark 1.3 (:issue:`400`).
* Compile the regex patterns once when adding to a
  :class:`~odo.regex.RegexDispatcher` instead of calling :func:`re.match` with
  strings (:issue:`413`).
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