I'm happy to announce the first maintenance release of GNU Mailman 3. This version 3.0.1 release includes updates to the core, Postorius, HyperKitty, and mailman.client. The release matrix of versions is available here:
You can find more information about the changes in each component by following the version links in that overview page.
Enjoy, -Barry (on behalf of the entire Mailman development team)