There is no real longterm business plan, but the language is more or less feature complete. There are features being added to the compiler to improve speed and there are also tooling improvements in the works, but the language feature set is probably sufficient for your needs already.
There's no official niche, but embedded is the practical niche that it has found, and there are a few companies using it for that purpose. If you want a frictionless business language, look elsewhere. There are easier options for building common business applications like webapps.