Latest version of the ESP32 firmware ?

[IMSAI-Oracle]

What's the latest version of the ESP32 firmware? I'm running the flowing.

About
ESP32 IMSAI 8080 Simulation
1.19 (ESP32)
Copyright (C) 2008-2024 by Udo Munk & David McNaughton

Host System
ESP-IDF Version: v4.4.4-1-gadda465dc3-dirty

Thanks,
Lynn M.