---
fixes:
  - >
    [`bug 1524030 <https://bugs.launchpad.net/keystone/+bug/1524030>`_]
    During token validation we've reduced the number of revocation events
    returned, only returning a subset of events relevant to the token. Thus,
    improving overall token validation performance.
other:
  - >
    The revoke backend driver interface has changed. We've added a token
    parameter to the ``list_events`` method in order to improve performance by
    reducing the number of revocation events returned during token validation.