This is the list of official releases for libvirt, along with an overview of the changes introduced by each of them.

For a more fine-grained view, use the git log.

v3.0.0 (unreleased)

v2.5.0 (2016-12-04)

Releases earlier than v2.5.0 detailed their changes using a different format and as such are excluded from the list above. You can read about those older release, starting from those made in 2016.