ESP-IDF Release v5.1.7
Documentation for IDF v5.1.7 is available at https://docs.espressif.com/projects/esp-idf/en/v5.1.7/
ESP-IDF v5.1.7 is a bugfix update for ESP-IDF v5.1 and also the last bug fix release of ESP-IDF v5.1. According to ESP-IDF Support Period Policy, ESP-IDF v5.1 release branch reached end-of-life in December 2025. With EOL, new features, bug fixes, and security fixes will no longer be supported on this branch. Customers who are currently using ESP-IDF v5.1 release branch are encouraged to upgrade their projects to more recent ESP-IDF releases, such as ESP-IDF v5.5.x.
Obtaining v5.1.7
For full installation instructions, see the ESP-IDF Programming Guide.