In the first 30 days of the new season, there were 6 buzzer-beaters in the league, tying the historical records of the 2005-06 and 14-15 seasons.

According to NBA official statistics, there have been 6 buzzer-beaters so far in the new season, from:
Reeves, Leonard, Antetokounmpo, Bane, Wiggins and Vucevic.
The six buzzer-beaters in the first 30 days tied the historical record. The previous 2005-06 and 14-15 seasons also had six buzzer-beaters in the first 30 days.
source:ty so 7m cn