I believe the notification is triggered from PageCuration Echo notification.  PageCuration is currently only enabled on enwiki because it's designed specifically to support all the different deletion process in enwiki.  It's not yet ready for other wikis till we make it more wiki customizable

On Tue, Apr 1, 2014 at 9:41 AM, Jan Ainali <jan.ainali@wikimedia.se> wrote:
I just created my first article in a long time on enwp. And after just a few minutes I got a notfication that it had been reviewed (Yay!). That is a very positive message, and I then realized it is not enabled on svwp. 

Is there a reason for holding back on that or is it just a slip?
Best regards,
Jan Ainali

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