# Changelog ## 1.0.0 ### Features - Added scalar C fallback for targets without PIE assembly, extending support to all ESP32 series. - Added ESP32-S31 PIE assembly support ## 0.1.0 ### Features - Q15 real FFT / IFFT (`esp_gmf_fft_*`), PIE assembly for ESP32-S3 and ESP32-P4. - Forward outputs half-spectrum + 1 (`fftr` packed, `N/2 + 1` bins). - Supports ESP32-S3 and ESP32-P4.