The long fight to make Apple’s iMessage compatible with all devices has raged with little to show for it. But Google (de facto leader of the charge) and other mobile operators are now leveraging the European Union’s Digital Market Act (DMA), according to the Financial Times. The law, which goes into effect in 2024, requires that “gatekeepers” not favor their own systems or limit third parties from interoperating within them. Gatekeepers are any company that meets specific financial and usage qualifications, including Google’s parent company Alphabet, Apple, Samsung and others.
Yes, because documentation as I’m referencing it is for accessing the API. You can’t access iMessages API (Well without serious reverse engineering effort) so therefore they have no documentation
RCS is a standard, Google has it’s flavor and Apple could just as easily have their own or any other flavor.
SMS is antiquated and should be used for nothing more than a fallback at best. It’s 30+ years old.