From 8.0.0 release and beyond, release notes are published on docs.openstack.org.
##2015-11-24 - 7.0.0 ###Summary
This is a backwards-compatible major release for OpenStack Liberty.
####Features
- fallback to default rcfile
- prepare $::os_package_type
- add a proxy inifile provider
- allow the use of an ensure_absent_val param
- create is_service_default function
- create os_service_default fact
- allow to path custom fragment to vhost
- pass necessary options to Apache when using WSGI
####Bugfixes
- fix fact for puppet facter 2.0.1+
####Maintenance
- initial msync run for all Puppet OpenStack modules
- enable acceptance tests for openstack_config
- remove class_parameter_defaults puppet-lint check
##2015-10-10 - 6.1.0 ###Summary
This is a maintenance release in the Kilo series.
####Maintenance
- acceptance: checkout stable/kilo puppet modules
##2015-07-08 - 6.0.0 ###Summary
This is a backwards-incompatible major release for OpenStack Kilo.
####Backwards-incompatible changes
- MySQL: change default MySQL collate to utf8_general_ci
####Features
- Puppet 4.x support
- Add db::postgresql to openstacklib
- Implement openstacklib::wsgi::apache
- Move openstackclient parent provider to openstacklib
- Keystone V3 API support
- Restructures authentication for resource providers
####Bugfixes
- Properly handle policy values containing spaces
####Maintenance
- Bump mysql version to 3.x
- Acceptance tests with Beaker
##2015-06-17 - 5.1.0 ###Summary
This is a feature and bugfix release in the Juno series.
####Features
- Adding augeas insertion check
####Bugfixes
- MySQL: change default MySQL collate to utf8_general_ci
####Maintenance
- Update .gitreview file for project rename
- spec: pin rspec-puppet to 1.0.1
##2014-11-25 - 5.0.0 ###Summary
Initial release for Juno.