pvlib.ivtools.sdmis now a subpackage. (:issue:`2252`, :pull:`2256`)
- Add a supporting reference to :py:func:`pvlib.atmosphere.get_relative_airmass` (:issue:`2390`, :pull:`2424`)
- Documented how np.nan values are handled by :py:func:`~pvlib.spectrum.average_photon_energy` (:issue:`2423`, :pull:`2426`)
- Cliff Hansen (:ghuser:`cwhanse`)
- Rajiv Daxini (:ghuser:`RDaxini`)
- Kevin Anderson (:ghuser:`kandersolar`)