[dento]

Likely the new EU Digital Markets Act, which requires interoperabilty from messaging applications.

[smoldesu]

I'm more curious what they mean by "Trojan integration". Considering how Microsoft has been a trusted Apple app developer for over 20 years, that's a pretty heavy accusation.

[scarface74]

And seeing that MS is using publicly available APIS that have been built into iOS since at least 2014