v2.2.0

New Features

• Add velocity region support and ability to preserve WCS for single regions in spectral extraction. [#1263, #1276]

Bug Fixes

• Add appropriate axes_names to resulting GWCS when a Spectrum is created with a spectral axis
  specified and no WCS, based on the spectral axis units. [#1264]

• Fix spectra resulting from new JWST WFSS format having MaskedQuantity spectral_axis. [#1266]

Other Changes and Additions

• Dropped support for python 3.10 and bumped the minimum required version of Astropy
  to 7.0. [#1267]