Dataminer Tez2 has reported that GTA 6 news should be expected in June or July this year. Rockstar Games may announce GTA 6 during the 10th anniversary of GTA Online. They could add a random event or activity to the game, hinting at the next game in the series.
Tez2 believes that if Rockstar Games plans to announce something related to GTA 6 in GTA Online, this content should be included in the summer GTA Online update. Dataminers should get this info before it appears in the game.
Tez2 recently reported that GTA 6 will definitely be announced in 2023, with its release scheduled for Christmas holidays of 2024.