Changes in version 0.3.3 (2026-07-01) - simulate() no longer fails for models with empty zi$lag. (Reported by Sophie Reichert.) - oneStepAhead() with cores > 1 no longer returns missing mu and gamma values. - The Git repository was moved from https://github.com/Junyi-L/hhh4ZI to https://codeberg.org/EE-hub/hhh4ZI. Changes in version 0.3.2 (2023-04-24) Version of Record of the reproduction material for citation("hhh4ZI"): Lu J, Meyer S (2023). "A zero-inflated endemic-epidemic model with an application to measles time series in Germany." Biometrical Journal, 65(8), 2100408. https://doi.org/10.1002/bimj.202100408.