There will be two Ramadan observations, and therefore likely two sets of Roza, in 2030, according to current projections, although it is still some time away.
According to the provided reference, "While we can expect Ramadan to be observed twice in 2030, we've still got a way to go before that comes around." This information indicates that there should be two periods of fasting (Roza) in the year 2030.
