Snapshot support?

According to the feature page for Index Management, this plugin is supposed to allow managing snapshots however I do not see that under the list of actions in the documentation… Was this feature planned and not completed? Or am I missing something?

I want to be able to create new snapshots and delete old ones after x days basically.

Actually, it is implemented here:

Waiting for work it looks like. Interesting that the homepage still suggests this feature support is live.