.. _whatsnew_011:

0.1.1 (February 18, 2022)
-------------------------

Enhancements
~~~~~~~~~~~~

* Quantification of irradiance variability with
  :py:func:`pvanalytics.metrics.variability_index`. (:issue:`60`, :pull:`106`)
* Internal refactor of :py:func:`pvanalytics.metrics.performance_ratio_nrel` to support
  other performance ratio formulas. (:pull:`109`)
* Detect shadows from fixed objects in GHI data using
  :py:func:`pvanalytics.features.shading.fixed`. (:issue:`24`, :pull:`101`)

Bug Fixes
~~~~~~~~~

* Added ``nan_policy`` parameter to zscore calculation in
  :py:func:`pvanalytics.quality.outliers.zscore`. (:issue:`102`, :pull:`108`)
* Prohibit pandas versions in the 1.1.x series to avoid an issue in
  ``.groupby().rolling()``.  Newer versions starting in 1.2.0 and older
  versions going back to 0.24.0 are still allowed. (:issue:`82`, :pull:`118`)
* Fixed an issue with :py:func:`pvanalytics.features.clearsky.reno` in recent
  pandas versions (:issue:`125`, :pull:`128`)
* Improved convergence in :py:func:`pvanalytics.features.orientation.fixed_nrel`
  (:issue:`119`, :pull:`120`)

Requirements
~~~~~~~~~~~~

* Drop support for python 3.6, which reached end of life Dec 2021 (:pull:`129`)

Documentation
~~~~~~~~~~~~~

* Started an example gallery and added an example for
  :py:func:`pvanalytics.features.clearsky.reno`  (:issue:`125`, :pull:`127`)

Contributors
~~~~~~~~~~~~

* Kevin Anderson (:ghuser:`kanderso-nrel`)
* Cliff Hansen (:ghuser:`cwhanse`)
* Will Vining (:ghuser:`wfvining`)
* Kirsten Perry (:ghuser:`kperrynrel`)
* Michael Hopwood (:ghuser:`MichaelHopwood`)
* Carlos Silva (:ghuser:`camsilva`)
* Ben Taylor (:ghuser:`bt-`)