Latest stable release available from PyPi:
https://pypi.python.org/pypi/esptool/
This release:
https://pypi.python.org/pypi/esptool/2.3
New since v2.2.1
- 'Hard resetting' status message now mentions the RTS pin
- README additions
- Fix regression if esptool is used as a module and ESPLoader() is passed a Python 2 unicode string.
ESP32 only
- When connecting, esptool now prints a summary of chip features based on efuse contents.
- espefuse.py support for displaying ADC calibration data via VRef stored in efuse and BLK3_PART_RESERVE if set.