Pymatgen

* End of 2020 release with minor bug fixes for cli scripts.

* New IsayevNN nearest-neighbor algorithm (utf, 2011)
* Improvements to electrode objects (jmmshn, 2016)
* Improvements to Element and PhaseDiagram (jmmshn, 2005)
* Bug fix to increase minimum version of setuptools which was causing incompatible versions of numpy to be installed for some users (shyuep, see issue 2010)
* Bug fix to VASP run type detection (rkingsbury, 2007)

* Site insertion algorithm based on charge density (jmmshn, 1997)
* Allow calculation of Fermi level from occupancies in VASP calculation (rkingsbury, 2000)
* Improvement to legibility of 3D phase diagram plots (bayesfactor, 1999)
* Improvement to allow general input for exciting (vorwerkc, 1975)
* Improvements to code formatting (mkhorton, 2008)
* Bug fix for VASP run type detection (rkingsbury, 1996)

* Bug fix for PhononBandStructureSymmLine. (gpetretto)
* Improved robustness in ABINIT input generation. (gpetretto)
* Other minor bug fixes.

1. Cp2K support (nwinner)
2. Better BSPlotter (fraricci)
3. Better deprecation warnings.
4. Bug fix for Py3.9 support.
5. Bug fix for neutron diffraction get_plot.

* Cube parsing and Cube integration to Bader (nwinner, 1967)
* Improvements to PhaseDiagram (CompRhys, 1899)
* Improvements to VASP sets to calculate NGX/Y/Z, NGX/Y/ZF (jmmshn, 1959)
* Changes to MPRelaxSet, default to low spin for Co (shyuep, 1976)
* Changes to MPScanSet (rkingsbury, 1952)
* Rename of `Specie` to `Species`, `Specie` will be retained for backwards compatibility (shyuep, 1963)
* Bug fix for VASP sets (utf, 1979)
* Bug fix for PDPlotter (mattmcdermott, 1973)
* Bug fix for EnergyAdjustment (rkingsbury, 1960)