Changes in version 0.1.0 (2026-02-13) - First public release of rareflow, a toolkit for analyzing rare events in stochastic dynamical systems. - Implements the Freidlin–Wentzell action functional for deterministic and stochastic paths. - Provides FW_quasipotential() for computing minimum action paths and quasipotentials. - Includes a comprehensive vignette introducing the theory of large deviations (Sanov, Girsanov, Freidlin–Wentzell) with practical examples. - Offers clean, reproducible implementations suitable for research, teaching, and scientific communication.