Under the original law, operating systems would be required to request a user’s age or birth date during device setup, then expose an “age bracket signal” to apps and app stores. The law, which defined brackets such as “under 13,” “13–15,” “16–17,” and “18+,” immediately raised questions about how such requirements would apply to decentralized, open-source software ecosystems.

I kind of wonder what software running as a service on Windows is supposed to identify itself as if it's non-interactively downloading software.