The parameter *can* be used to return a list of snapshots that is currently preventing rollback.
+* Replace get/update_volume_notes with generic get/update_volume_attribute
+
+ falling back to the old implementation for notes until we reset APIAGE. the
+ new method optionally also supports querying/setting a protected flag.
+
## Version 9: (AGE resets to 0):
* volume_import_formats gets a new parameter *inserted*: