The Proposition allows parole consideration for nonviolent felons, changes policies on juvenile prosecution,[2] and authorizes sentence credits for rehabilitation, good behavior, and education.

[4] In addition, Proposition 57 requires the Department of Corrections to develop uniform parole credits, which reward prisoners' good behavior with reduced sentences.

[4] Other proponents responsible for significant contributions included the California Democratic Party, Tom Steyer, Reed Hastings, and the Open Philanthropy Project.

[8] Opponents of the Proposition argued that it would release potentially dangerous criminals due to improper classification of crimes as non-violent including domestic violence and child molestation.

Opponents that made high contributions included Los Angeles County police unions and a prosecutor lobbying group.