- Update to 4.14.0:
* enhancements:
- filtering and grouping area for binned (1D) spectral data has been improved
with changes to the default behavior and many bug fixes resulting in changes
to the statistics, degrees-of-freedom and energy flux in comparison to the
previous version for the same data with the same filter.
- updates to allow users to change the hard limits of XSPEC model parameters
- the sample_flux routine now returns correct information for the clip column
* documentation changes:
- improved PHA simulation documentation
- improved Filtering and grouping of PHA data documentation
- added sherpa.image module documentation
- added section on running tests to developer docs
* Infrastructure Changes:
- updates to support Apple ARM
- update to support Xspec version 12.12
- update fftw from version 3.3.8 to 3.3.9
- clean up of compiler and sphinx warnings
- changes to support gcc 9.3.0 in conda defaults
- updates to support python 3.9 including readline 8.1 upgrade, numpy minimum
1.19 (numpy 1.18 minimum for python 3.7/8)
- test infrastructure clean up and updates
* bug fixes:
- updates to fix several 'unable to parse region string: None' errors
- fix issue where save_all() of a loaded image with no region filter would fail
on reload
- fixed issue with plot_model() being called before notice or ignore could
lead to filters not getting applied
- fix to error out instead of crash when grouping data using an unsupported
method