Release Summary
In the last release (v4.0.0), we bumped the minimum required netaddr version to be >=0.10.1. However, since netaddr>=0.10.1 is not yet available in many sources other than PyPI, we have temporarily added a fallback method to support the ipaddr filter with older netaddr versions with this release. Once the latest netaddr is available in all major sources, we will deprecate this support and eventually remove it.