I'm in the US and I totally forgot about the blood oxygen patent fiasco. I have an Apple Watch Series 8 and it continues to work. Maybe it's only newer models t

I'm in the US and I totally forgot about the blood oxygen patent fiasco. I have an Apple Watch Series 8 and it continues to work. Maybe it's only newer models that are affected? (Aha, this article says it's Series 9 and Ultra 2 that are affected: <https://www.tomsguide.com/wellness/smartwatches/apple-wins-patent-lawsuit-and-usd250-from-masimo-but-it-wont-affect-apple-watchs-mia-blood-oxygen-feature https://www.tomsguide.com/wellness/smartwatches/apple-wins-p...>.)