With Apple's deprecation of Rosetta it's very likely that applications written for Intel machines will cease working in the next release of MacOS. Is CoffeeCup intending on releasing an Apple Silicon native version?

The people here in the forums are users, just like yourself. We have not heard of plans that go in the direction you are asking about. To get an answer, you'd better contact the CC company directly. https://www.coffeecup.com/contact/