---
features:
  - |
    [`blueprint enhance-oauth2-interoperability <https://blueprints.launchpad.net/keystone/+spec/enhance-oauth2-interoperability>`_]
    The external_oauth2_token filter has been added for accepting or denying
    incoming requests containing OAuth 2.0 access tokens that are obtained
    from an external authorization server by users through their OAuth 2.0
    credentials.
