ESP-IDF v3.3-rc has been released

[ESP_Angus]

ESP-IDF V3.3-rc has been released. This is a release candidate of ESP-IDF v3.3.

Major New Features in V3.3

• New option to free approx 10KB of IRAM by moving some Wi-Fi functions to flash.
• Fixed Wi-Fi SoftAP mode multicast and broadcast saving and flushing when the associated stations enable 802.11 legacy power saving mode (called modem sleep in ESP32).
• New Efuse Manager component for working with Efuses
• New app rollback and secure anti-rollback features for OTA updates
• cmake: New support for adding IDF as libraries in a non-IDF CMake project, includes example projects
• Added official PPPoS support including cellular modem example

Full details including known issues, complete release notes, download instructions and links can be found on GitHub:

https://github.com/espressif/esp-idf/releases/v3.3-rc