Package: meld Version: 3.20.0-1 Severity: normal This version doesn't show nothing in the differences window if this package is not installed Also, we can see this message in the terminal: TypeError: Couldn't find foreign struct converter for 'cairo.Context'
Solved: apt install python3-gi-cairo the dependency on python-gi-cairo implies also python3-gi, but the opposite is not true. Thanks, Jordi Pujol