| --- | |
| upgrade: | |
| - | | |
| The default value for ``[volume] disk_format``, which specifies the | |
| disk format of the image in a copy a volume to image operation, | |
| is changed from ``raw`` to ``[raw, qcow2]`` for which the type of | |
| the config option also needed to change from ``string`` type to | |
| ``list`` type i.e. it accepts multiple values now. |