For many years now, it has been rumored that the Apple Watch will eventually gain non-invasive blood sugar monitoring capabilities, which would enable millions of people with diabetes to track their blood glucose levels without needing to prick their skin with a needle or wear a dedicated continuous glucose monitor.

According to Bloomberg’s Mark Gurman, Apple recently shifted oversight of the project from its platform architecture chief Tim Millet to Zongjian Chen, a senior engineer overseeing advanced technologies within the company.