I have the same model as you and love it. I didn't think about Apple stopping updates to it. Is your laptop actually utilizing the full 16gb of ram? I upgraded

I have the same model as you and love it. I didn't think about Apple stopping updates to it. Is your laptop actually utilizing the full 16gb of ram? I upgraded to 8gb but was not sure if 16gb is fully supported or not as Apple said it wasn't.