ESP-IDF v4.0.4 has released

[ESP_Alvin]

Documentation for v4.0.4 is available at https://docs.espressif.com/projects/esp-idf/en/v4.0.4/

ESP-IDF v4.0.4 is the last bugfix update for ESP-IDF v4.0. ESP-IDF v4.3.1 is the latest stable release of ESP-IDF at time of writing.

As previously announced, Espressif will stop supporting v4.0 release after October 2021. For more information please see the ESP-IDF Support Policy. Customers who are using v4.0 release series are encouraged to migrate to more recent releases.

For full details, release notes, installation instructions, etc then please see the release page on GitHub:
https://github.com/espressif/esp-idf/re ... tag/v4.0.4