v1.11.0

New Features

• wcs1d-fits loader now reads and writes boolean masks. [#1051]

Bug Fixes

• Reimplementation of FluxConservingResampler. It is now faster and yields more accurate results. [#1060]

• Fixed uncertainty calculations in centroid and gaussian width functions, also added an option
  to use an astropy.uncertainty distribution instead of the analytic solution. [#1057]

Other Changes and Additions

• Drastically improved performance of region extraction. [#1048]

• When creating a Spectrum1D object, it is enforced that the spectral axis is sorted and either
  strictly increasing or decreasing. [#1061]