SmartThings is in the middle of a major transition: new hub, new app, new cloud platform. As customers, it’s very difficult for us to predict where this will go.
There’s an active discussion in the developer section of the forum which has been going on for a year about where things may end up. Some staff participation there. But very little is known for sure.
Concerns about Direction of Developer Workspace
Whether what it will end up being will be something that works for you Specifically is impossible to say, but the people in that developer thread may be able to help you with some educated guesses. 
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