From 4.0.0 release and beyond, release notes are published on docs.openstack.org.
##2015-11-25 - 3.0.0 ###Summary
This is a major release for OpenStack Liberty but contains no API-breaking changes.
####Features
- support for FreeBSD
###Bugfixes
- explicitly say that ovs_redhat parent is ovs
- add require ovs_redhat.rb to ovs_redhat_el6.rb
####Maintenance
- acceptance: use common bits from puppet-openstack-integration
- remove class_parameter_defaults puppet-lint check
- fix RSpec 3.x syntax
- initial msync run for all Puppet OpenStack modules
##2015-10-15 - 2.1.0 ###Summary
This is a maintainence release in the Kilo series.
####Maintenance
- acceptance: checkout stable/kilo puppet modules
##2015-07-08 - 2.0.0 ###Summary
This is a major release for OpenStack Kilo but contains no API-breaking changes.
####Features
- Puppet 4.x support
- make dkms on Debian/Ubuntu optional
####Maintenance
- Acceptance tests with Beaker
- Fix spec tests for RSpec 3.x and Puppet 4.x