<commit_before>0.5 (unreleased)
----------------
- Bugfix: subcubes from compound regions previously did not work.  #601
- Bugfix: VaryingResolutionSpectralCube.mask_channels now preserves
  previous mask. #620
- Refactor tests to use fixtures for accessing data instead of needing to
  run a script to generate test files. #598
- Refactor package infrastructure to no longer use astropy-helpers. #599
- Switch to using unified I/O infrastructure from Astropy. #600
- Bugfix: fix slicing of cubes with mask set to None. #621
- Refactor CASA I/O to use dask to access the array/mask data directly
  and to use only Python and Numpy to access image metadata. CASA images
  can now be read without CASA installed. #607, #609, #613
- Add new dask-friendly classes ``DaskSpectralCube`` and
  ``DaskVaryingResolutionSpectralCube`` which use dask to efficiently
  carry out calculations. #618

0.4.5 (unreleased)
------------------
 - Added support for casatools-based io in #541 and beam reading from CASA
   images in #543
 - Add support for ``update_function`` in the joblib-based job distributor
   in #534
 - Add tests for WCS equivalence in reprojected images in #589<commit_msg>v0.5.0 changelog<commit_after>0.5 (2020-09-17)
----------------
- Bugfix: subcubes from compound regions previously did not work.  #601
- Bugfix: VaryingResolutionSpectralCube.mask_channels now preserves
  previous mask. #620
- Refactor tests to use fixtures for accessing data instead of needing to
  run a script to generate test files. #598
- Refactor package infrastructure to no longer use astropy-helpers. #599
- Switch to using unified I/O infrastructure from Astropy. #600
- Bugfix: fix slicing of cubes with mask set to None. #621
- Refactor CASA I/O to use dask to access the array/mask data directly
  and to use only Python and Numpy to access image metadata. CASA images
  can now be read without CASA installed. #607, #609, #613
- Add new dask-friendly classes ``DaskSpectralCube`` and
  ``DaskVaryingResolutionSpectralCube`` which use dask to efficiently
  carry out calculations. #618

0.4.5 (2019-11-30)
------------------
 - Added support for casatools-based io in #541 and beam reading from CASA
   images in #543
 - Add support for ``update_function`` in the joblib-based job distributor
   in #534
 - Add tests for WCS equivalence in reprojected images in #589
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