Changes in version 0.3 breaking changes - Remove leading lag-induced NA values in surd time-series implementation (#83). Changes in version 0.2 (2026-03-30) enhancements - Support variable-specific discretization settings via vectorized bin and method arguments in surd generic (#68). breaking changes - Rename combination order limit parameter in surd generic to max.order (#65). Changes in version 0.1 (2026-03-19) - First stable release (#60).