Changes in version 0.3.0 (2025-08-28) Notable changes - Poisson model now uses poisson_log in stan code for numerical stability - Updated deprecated syntax for future rstan compatibility Changes in version 0.2.0 (2022-01-17) Notable changes - User can fit Rogers-Castro migration age schedules using only age-specific rates (instead of age-specific migrants and age-specific offsets) Changes in version 0.1.0 (2021-10-21) This is a new release.