- Update to 0.18.3
* Fix pixel scale formula used by iterative inverse by @mcara in
#423
* refactor for Tox 4 by @zacharyburnett in #428
* Improve stability of SIP fitting. Fix constant term - CRPIX -
in SIP by @mcara in #427
* use canonical name of RTD config and enable nitpicky mode to
catch broken links in docs by @zacharyburnett in #430
* add downstream tests for JWST and Roman calibration pipelines
by @zacharyburnett in #415
* fix CRDS_PATH in CI when running downstream tests by
@zacharyburnett in #432