This morning we attempted to enable the Shared Ownership app which was just released by Freshdesk itself but attempting to do so displays this error in a ribbon at the top of the screen:
"This feature is not available for your plan."
The page which talks about the new app explains that it is only available for the Estate plan or above, but we are currently on the Estate plan ourselves (I verified this through the Plans and Pricing page of our helpdesk.