In April 2023, the Centers for Medicare and Medicaid Services (CMS) released guidance encouraging states to apply for a new Section 1115 demonstration opportunity to test transition-related strategies to support community reentry for people who are incarcerated. To date, CMS has approved Section 1115 reentry waiver requests from three states (California, Montana, and Washington). This Waiver Watch reviews CMS guidance and summarizes key features of the three approved 1115 reentry waivers.