File: callbacksmanager-cancellable-events-966d76925db919a8.yaml

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python-neutron-lib 3.21.1-2
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---
features:
  - |
    ``CallbacksManager`` can now subscribe cancellable events. By default,
    only ``before_`` and ``precommit_`` events, in case of error, can raise a
    ``CallbackFailure`` exception. Now, if the event is subscribed with
    the flag ``cancellable`` enabled, the ``publish`` method will raise this
    exception if the callback fails and returns an error.