V2.2.0

V2.2.0 - 28.07.2026

Added

• Added new API to retrieve previous FSM state (fsm_get_prev_state)
• Added static initialization API, for caller-provided (malloc-free) FSM instances (fsm_init_static)

Changed

• fsm_is_init now returns initialization flag directly instead of via status + output pointer
• Enumerations forced to C99 fixed-width integer storage
• Reserved (double-leading-underscore) header guards replaced with standard form

Removed

• Removed unused option from configurations

Todo

• State transition allowance & checking