I think the way Samsung updated the emojis to look super huge when sending emojis alone in messages doesn't fit the clean simple look Samsung is going for. I would prefer them to stay the way they were in 2.5.
Thank you for your feedback. If you would like to suggest us a new feature to add, please leave a post in the Suggestions section with your ideas. We appreciate your contribution to the Beta program. Thank you.
One UI Beta Team