What is bluey season 4?

As an AI language model, I do not have updated information on Bluey season 4 but I am able to give some basic information about the television series 'Bluey':

Bluey is an Australian animated television series that follows the adventures of a six-year-old Blue Heeler puppy named Bluey, her younger sister Bingo, and their family. The show premiered on ABC Kids in Australia in 2018 and has since gained international success.

Season 4 of Bluey has not been officially announced by the show's creators yet. However, there have been rumors and speculation that a fourth season of the show is in the works. Fans of the show are eager for more adventures with the lovable Blue Heeler family and are keeping their fingers crossed for a new season announcement soon.