• Fix compatability with latest phonopy version.

• Update SOC DOS handling for pymatgen>=2025 and add tests
  (@kavanase, #256)

Bugfixes:

• Fixed the k-point labels for effective mass directions in sumo-bandstats.
• Workaround for VASP bug where sometimes the Fermi level gets placed just inside the VBM
  or CBM with ISMEAR = -5.

Documentation:

• Minor docstring updates (@kavanase, #241)

Bugfixes:

• Castep lattice_abc format was broken in many cases; deal with a
  Pymatgen deprecation and avoid incorrect truncation of data when no
  units are provided. Where structure is ambiguous due to mixed
  lattice/cartesian conventions, raise an error. (@jryates, @ajjackson)

Bugfixes:

• Fixed bug with sumo-phonon-bandplot and recent versions of pymatgen (@utf, #227)

• Added symprec functionality to load_phonon in cli/phonon_bandplot.py by @badw in #207
• Set band-edge marker size in style file by @ajjackson in #193
• Fix failing tests and migrate to importlib by @oashour in #216
• Update README.rst by @alexsquires in #224
• Add support for band structure titles by @oashour in #215
• Add **kwargs to draw_themed_line by @kavanase in #212
• Kpoint degeneracy by @kbspooner in #213

New Contributors

• @badw made their first contribution in #207
• @oashour made their first contribution in #216
• @alexsquires made their first contribution in #224
• @kbspooner made their first contribution in #213

Full Changelog: v2.3.6...v2.3.7

Bugfixes:

• Allow "BREAK" keyword in CASTEP band paths - and ignore it. (@azanre, #201)
• Fix superscript in sumo-optplot (@utf, #203)

Fix projected band structures with two projections selected (@utf, #181).

Support for new versions of castepxbin.

Bugfix: sumo-bandplot --project --mode rgb now works with paths containing branches
with a single k-point.