The DMA requires interoperability without a decrease in security - this explicitly includes end-to-end encryption, which iMessage supports. Since SMS has no standard for key distribution/discovery, it already fails at that hurdle.
It also requires that features such as group messaging and audio/video calling.
So, let me get this straight -- the EU is now requiring end to end encryption? Haven't they been harping this whole time on how that enables child predators?
It also requires that features such as group messaging and audio/video calling.