v4.0.1

• Minor bug fix release.

v4.0.0

• Massive update with many deprecated methods removed. Note that this
  may break backwards incompatibility!
• Support for ABINIT 8.
• Improved sulfide compatibility.

v3.7.1

• Fix deprecation bug.

v3.7.0

• Last version before pymatgen 4.0, where deprecated modules will be removed!
• Massive update to LAMMPS (Kiran Matthews).
• New input sets with a different interface that replaces old input sets.
• Massive update to elastic properties.

v3.6.1

• Massive cleanup to Boltztrap interface (Anubhav Jain)
• Refactor of piezoelectric analysis to use tensor base class (Joey)
• More robust CIF parsing.

v3.6.0

• Pymatgen now uses spglib directly from Togo's website. Spglib is no longer
  bundled as a dependency.
• Improved support for velocities in Poscar (Germaine Vallverdu)
• Backwards incompatible change in Born charge format in Outcar.
• Fixes for Lammps input serialization

v3.5.3

• Misc refactorings and bug fixes, especially for Outcar and Boltztrap classes.

v3.5.2

• Minor update to DerivedInputSet interface.

v3.5.0

• Chemical environment analysis package (David Waroquiers).
• Piezoelectric property analysis (Shayam).

v3.4.0

v3.4.0 release

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