Package: python3-flask-marshmallow Version: 0.10.1-4
The current upstream version of this package is 0.14.0, available since 2020-09-28. Debian archive version 0.10.1-4 is from May 2019. For this version, there isn't even any documentation any more on the upstream's web site, which makes it very hard to use. Please consider updating it.
