We getting season 4 right after 3

With how there hasnt been a date set for Season 3 to premiere and how the much the manga has been chugging along I feel like we will also get season 4 right after. Season 3 containing the GGC arc and the Ctarnid arc while season 4 will deal with the aftermath of the ctarnid fight and the rabituza defense event involving the snake collasi and finishing with the clan PVP fight. its to the point I wonder if they will announce when season 3 premieres once the PVP fights finish.