Apple rolled out the Apple Watch Series 12 and Apple Watch Ultra 4 at the "Surprise and shine" event. The new watches feature sizable improvements to the health sensors and tracking, plus the ability to recite audio transcriptions and summaries, plus a ceramic case option for the Series 12.
Source: [The Verge](https://www.theverge.com/gadgets/990508/apple-watch-series-12-ultra-4-spec-comparison)