Multiple things. First of all, we NEED universal RCS messaging support in the stock app, either by using Jibe or at least forcing carrier RCS onto the phone if it is not supported on unlocked models. This has been requested for years and now is the right time to add it. Some RCS's have green bubbles in the stock app, and some have blue. I think that you should make it uniform and blue so it is differentiated from normal SMS/MMS. Thirdly, RCS in Samsung Messages places "Read" even underneath videos and images, this should change to something like "Seen" because you don't read a video/image.
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