v1.20.0

1.20.0 (2025-05-01)

Bug Fixes

• Fixed loaders for IRAF-encoded non-linear Chebychev + Legendre wavelength
  solutions that were imposing integer-valued domain limits. [#1199]
• Fixed loaders for SDSS APOGEE not correctly identifying the format [#1217]
• Fixed template comparison returning empty list of chi2 values in some cases. [#1228]

Other Changes and Additions

• Added Spectrum class wrapper around Spectrum1D to ease transition to new
  class name in 2.0. [#1229, #1230]

• Removed redshift and radial velocity setters in Spectrum1D that have been deprecated
  since 1.8. [#1229]

• Added documentation about upcoming changes in specutils 2.0. [#1231]