Hey @Adam_Kalisiak 
- our recommendation would be to deploy them as soon as you can since, in the near future, a little bit after everyone is migrated over to the Next Gen Dev Platform, the legacy developer platform will be deleted, and the new Developer Dashboard will replace the old Partners Dashboard for app management for everyone (including merchant dev folks). There’s a bit more on the migration process here:
That said, if you’re open to a DM, I can set one up on my end so that I can look into the specifics of that email and see if we can share some additional info with you for clarity for sure, just let me know and I can set that up on my end. Hope this helps a little bit.