ESP-IDF releases

[Andreas]

While Release ESP-IDF Pre-release v3.3-rc · espressif/esp-idf · GitHub has been pre-released some days ago, the next release https://github.com/espressif/esp-idf/tree/4.0 is in the working.

[Andreas]

The Release ESP-IDF Release v3.3.1 · espressif/esp-idf · GitHub has been made on Dec 12, 2019.

ESP-IDF v3.3.1 is a bugfix update for ESP-IDF v3.3. This is the latest stable release of ESP-IDF at time of writing.

ESP-IDF v3.3.x is a Long Term Support release and will be supported until February 2022.

Many issues around Wi-Fi have been addressed.

[Andreas]

The ESP-IDF V4.0 Release Candidate has been made 3 days ago.

Documentation for release v4.0-rc is available at https://docs.espressif.com/projects/esp-idf/en/v4.0-rc/

ESP-IDF v4.0-rc is a release candidate of ESP-IDF v4.0, which is a major update for ESP-IDF v3.x. Release v4.0-rc is mostly compatible with apps written for ESP-IDF v3.x, but there are some breaking changes (please consult the list below) and removal of deprecated functionality which will require code changes when updating projects

ESP-IDF v4.0.x will be supported for 18 months from the v4.0 stable release date, according to the ESP-IDF Support Policy.

The latest stable release of ESP-IDF is v3.3.1 at time of writing.

– Release ESP-IDF V4.0 Release Candidate · espressif/esp-idf · GitHub

Apart from many major improvements in different areas, many issues around Wi-Fi have been fixed again.

[Andreas]

The Release ESP-IDF Release v4.0 · espressif/esp-idf · GitHub has been made on Feb 11, 2020.

Documentation for release v4.0 is available at https://docs.espressif.com/projects/esp-idf/en/v4.0/

ESP-IDF v4.0 is a major update for ESP-IDF v3.x. Release v4.0 is mostly compatible with apps written for ESP-IDF v3.x, but there are some breaking changes (please consult the list below) and removal of deprecated functionality which will require code changes when updating projects

ESP-IDF v4.0.x will be supported for 18 months until October 2021, according to the ESP-IDF Support Policy. The current Long Term Support release is v3.3.1, v3.3.x will be supported until March 2022.

[Andreas]

The Release ESP-IDF Release v3.3.2 · espressif/esp-idf · GitHub has been made on April 9, 2020.

ESP-IDF v3.3.2 is a bugfix update for ESP-IDF v3.3.

ESP-IDF v3.3.x is a Long Term Support release and will be supported until March 2022.

Many issues around Wi-Fi, Bluetooth Classic & BLE, LWIP and the Core System have been addressed.

[Andreas]

Hi again,

many releases of the ESP-IDF have been published by Espressif in the meanwhile. Right now, we are at ESP-IDF Release v4.3.2 and ESP-IDF Pre-release v4.4-beta1.

• Just a few hours ago, ESP32 Arduino 2.0.2 based on ESP-IDF 4.4-beta1 has been released.
• Adafruit CircuitPython 7 also uses ESP-IDF 4.4.
• Pycom MicroPython 1.20.2 uses ESP-IDF 3.3, see Pycom Firmware Release 1.20.2.
• Pycom MicroPython 1.20.3 will use ESP-IDF 4.1, see Pycom firmware releases - #7 by Andreas.

With kind regards,
Andreas.

[Andreas]

A few hours ago, ESP-IDF Release v5.0 was published.

Release ESP-IDF Release v5.0 · espressif/esp-idf

What’s New in ESP-IDF v5.0 - Ivan Grokhotkov

Espressif DevCon22 - Oct 20, 2022 - Day 2

IDF Component Manager

– https://www.youtube.com/watch?t=4480&v=BgRzpbZM5QY

IDF Component Registry

IDF Component Registry

Examples

idf.py add-dependency espressif/expat==2.4.8
idf.py add-dependency espressif/nghttp^1.50.0
idf.py add-dependency cesanta/mongoose^7.8.2
idf.py add-dependency igrr/libnmea==0.1.1

Manifest and lock files

my_project/main/idf_component.yml

dependencies:
  example/cmp: "^3.0.0"

idf.py reconfigure

=> dependencies.lock

Details and internals

• GCC upgraded from 8.4.0 to 11.2.0 (C++20 and C17)
• Changes related to the RISC-V transitioning (uint32_t and int32_t types).
• Better support for ESP32-H2.
• GNU Make completely removed, now uses CMake all over the place.
• Driver-NG: New ADC, I2S, GPTimer, MCPWM, PCNT, RMT, and temperature sensor drivers and API model.
• Examples: Driver-NG, USB Host: MSC, UVC, CDC.
• mbedTLS 3.1.0
• Component manager and manifests; install from component registry or from Git repository.
• Preview of FreeRTOS SMP.