---
features:
    - OS::Nova::HostAggregate resource plugin is added to support host
      aggregate, which is provided by nova ``aggregates`` API extension.
    - nova.host constraint is added to support to validate host attribute
      which is provided by nova ``host`` API extension.

Add release note for bp/support-host-aggregate
Add release note for bp/support-host-aggregate

Change-Id: Id8d31407150c39eb48403fe3da7f48188221a557
