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Release Notes

This document contains the release notes for each version of PlasmaPy. A list of the changes for each version are included in the :ref:`change-log`.

PlasmaPy uses semantic versioning. Version numbers are of the form MAJOR.MINOR.PATCH. Development releases have MAJOR equal to 0. The application programming interface (API) during the development phase is unstable and anything may change at any time. Starting with version 1.0.0, MAJOR must be incremented whenever the API changes in a way that is not backwards compatible, MINOR must be incremented whenever the API expands while maintaining backwards compatibility, and PATCH must be incremented for each bug fix release.

Version 0.2.0

The ~plasmapy.transport subpackage was moved outside of ~plasmapy.physics.

Version 0.1.1

Version 0.1.1 is a minor release fixing a small number of bugs and adding two convenience features, plasmapy.online_help and plasmapy.__citation__. For more information, take a look at the :ref:`change-log-0.1.1`.

The people who have contributed to this release include ((!) denoting first-time contributors):

  • (!) Manas Bedmutha
  • Julien Hillairet
  • Pawel Kozlowski
  • Stuart Mumford
  • Nick Murphy
  • Samuel Langendorf
  • Drew Leonard
  • David Stansby
  • Dominik Stańczak

Version 0.1.0

We are excited to announce the first development release of PlasmaPy: a community-developed fully open source core Python package for plasma physics.

Version 0.1.0 is a preview and a prototype. It is not yet feature complete or recommended for production work. Significant changes to the API are expected to occur between versions 0.1.0 and 0.2.0. Rather, version 0.1.0 serves as an invitation to plasma students and scientists to collaboratively develop a community-wide shared software package for our field.

If you have a scientific Python 3.6+ environment already configured, you may install PlasmaPy with pip by running:

pip install plasmapy

We recommend installing PlasmaPy in an Anaconda environment. PlasmaPy's GitHub repository contains more detailed installation instructions.

PlasmaPy uses Astropy's ~astropy.units subpackage to represent physical quantities with units, and for compatibility with Astropy and SunPy. This subpackage handles unit conversions, and raises exceptions for operations that have incompatible units. New users may wish to become familiar with this functionality by reading Astropy's units subpackage documentation. An example use case is:

>>> import astropy.units as u
>>> 88 * u.imperial.mi / u.hr
<Quantity 88. mi / h>
>>> (1.21e9 * u.J / u.s).to(u.GW)
<Quantity 1.21 GW>

PlasmaPy's ~plasmapy.physics subpackage contains functions to calculate a wide variety of plasma parameters, dielectric tensor components, and relativity/quantum physics parameters used in plasma physics. The ~plasmapy.physics.transport module of ~plasmapy.physics contains functionality to calculate collision rates and transport parameters (including an object-oriented interface to classical transport coefficients). The ~plasmapy.atomic subpackage includes both functional and object-oriented interfaces to access atomic parameters and represent particles. The ~plasmapy.mathematics subpackage contains analytical functions that are commonly used in plasma physics (including the plasma dispersion function). The ~plasmapy.classes subpackage includes prototype classes to represent plasma configurations, including a particle pusher.

PlasmaPy requires Python 3.6+. The core developers chose to support Python 3.6+ because Python 2.7 will cease to be supported by most scientific Python packages within about a year, Python 3.6 will likely to be the oldest version of Python still in common use by the time we release PlasmaPy 1.0.0, and Python 3.6 contains new features such as formatted string literals that greatly improve readability.

If there is functionality that you would like future versions of PlasmaPy to include or if you discover a bug, we encourage you to raise an issue with your ideas or even contribute code directly.

The following resources provide more information on PlasmaPy, including how to contribute.

This release includes over 1800 commits and 178 merged pull requests, with contributions from 35 different people to the code base or the vision statement.

PlasmaPy's Coordinating Committee includes:

  • Drew Leonard
  • Nick Murphy
  • Tulasi Parashar
  • Dominik Stańczak

The people who have contributed to this release include:

  • Jasper Beckers
  • Ludovico Bessi
  • Sean Carroll
  • Apoorv Choubey
  • cclauss
  • Leah Einhorn
  • Thomas Fan
  • Graham Goudeau
  • Silvina Guidoni
  • Colby Haggerty
  • Julien Hillairet
  • Poh Zi How
  • Yi-Min Huang
  • Nabil Humphrey
  • Maria Isupova
  • Pawel Kozlowski
  • Siddharth Kulshrestha
  • Piotr Kuszaj
  • Samuel Langendorf
  • Drew Leonard
  • Ritiek Malhotra
  • Stuart Mumford
  • Joshua Munn
  • Nick Murphy
  • Nismirno
  • nrb1324
  • Tulasi Parashar
  • Neil Patel
  • Roberto Díaz Pérez
  • Raajit Raj
  • Dawa Nurbu Sherpa
  • David Stansby
  • Dominik Stańczak
  • Antoine Tavant
  • Sixue Xu