---
upgrade:
  - The ability to load a custom scheduler host manager via the
    ``scheduler_host_manager`` configuration option was deprecated
    in the 13.0.0 Mitaka release and is now removed in the 14.0.0 Newton
    release.

---
upgrade:
  - The ability to load a custom scheduler host manager via the
    ``scheduler_host_manager`` configuration option was deprecated
    in the 13.0.0 Mitaka release and is now removed in the 14.0.0 Newton
    release. Host managers can only be selected by name and not by full
    class path. The allowed values are ``host_manager`` and
    ``ironic_host_manager``.

Clarify what changed with scheduler_host_manager.
Clarify what changed with scheduler_host_manager.

The wording could be interpreted as the full removal of the
scheduler_host_manager configuration entry itself.

Change-Id: Ifd8269ae3467f1828ea2d6764cd42446be6de5a0
