I don't know either. I find it strange because most of the countries with the Exynos model received OneUi 3 already as a stable update.So we will have beta 4 even stable is rolling out? Don't understand the beta program plan from Samsung.
Samsung Galaxy Note 10 One UI 3.0 beta testers getting another One UI 3.0 beta build which brings several system improvements.www.rprna.com
I'm only waiting that we get the new smoother app opening and closing animation with a newer build!