Hello, I'm going to update (one week from now) wcslib from 7.12 to 8.2.
There is an API break, the changes are here;
https://www.atnf.csiro.au/people/mcalabre/WCS/CHANGES
Affected:
astrometry
cpl
kstars
python3-astrometry
python3-astropy
siril
sourcextractor++
stellarsolver
I will send another message with the side tag in one week.
Regards, Sergio