I am hoping to cut releases of all the Mailman projects in next two weeks or so. I'll probably release an rc-1 for packaging teams to test out before the final version goes out. There are a few new dependencies that have been added to both Core and Web components, so some of them might need work in packaging.
This will be mostly a minor version bump (patch version technically for us e.g. 3.2.3 for Core), since there are no backwards incompatible changes. There are new features which will be included in this release. A full changelog will follow the rc release, but each individual projects have their changelogs up-to-date.
If there are bug fixes you are working on, that you'd really like to get in, please let me know by end of this week.