Apple's Messages app now supports Rich Communication Services (RCS) in iOS 18 beta, enabling higher quality media exchange and advanced messaging features with Android users. It's currently available in the US for T-Mobile, AT&T, and Verizon users.
https://alternativeto.net/news/2024/6/apple-adds-rcs-support-to-messages-in-ios-18-beta-enhancing-iphone-android-communication/