Young defender Bailey Clements has signed a new one-year deal, along with Fraser Alexander, Antoni Bort, Harley Curtis, Alfie Cutbush and Brooklyn Kabongolo, who all completed their academy scholarships in 2020/21.
Bailey Clements and Brett McGavin are among the younger players the Blues have confirmed are being released this summer, while talks continue with several of the U23s squad.
Town boss Kieran McKenna has begun holding discussions with players regarding their futures which will continue until Sunday with his focus then shifting on Monday to his plans for next season.