We're please to announce that the Nectar Identity service (Keystone) has now been upgraded to the Queens release. Normally an upgrade like this wouldn't require a blog post, but there's a couple of significant changes that users should be aware of. Keystone API v2.0 deprecation The Keystone v2.0 API has actually been removed from the Queens release, but we're aware that many users are still using it. We are now actively requesting that any users still using the v2.0 API to move over to the v3 API that has been available since 2016. We plan to keep the v2.0 API running until April 2019, at which time, it will no longer be available. See our Keystone v2.0 to v3 migration guide on how you can switch over. Application Credentials The long awaited application credentials are finally available in the Queens release. Application credentials allow users to generate their own OpenStack credentials suitable for applications to authenticate to the Identity service, with