Release Notes: This release fixes some packaging issues. There's no need to upgrade from 2.9.0 or 2.9.1 if you already have it working.
Release Notes: This is a bugfix and general cleanup release, much of it around packaging and building for various Linux environments. Upgrading is not required if things are running fine for you now.
Release Notes: Minor bugs were fixed.
Release Notes: This is a minor bugfix release. Upgrading is only needed if it resolves a problem you're having.
Release Notes: Bugfixes and packaging fixes. Upgrading is recommended.