v2.3.0.0_esp8266

ESP8266-AT Release v2.3.0.0

The documentation for ESP-AT v2.3.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.3.0.0_esp8266/

This release is a minor update to ESP-AT v2.2.2.0.

The firmware:

• ESP-WROOM-02-AT-V2.3.0.0.zip

Breaking Changes

• Updated ESP8266_RTOS_SDK to commit c965e03d, upgrading the bundled mbedtls library from v2.16.5 to commit 1d34215a (a few commits after v3.6.3). Important: If you want to use this version firmware, please ensure your server is compatible with mbedtls commit 1d34215a before proceeding. If it works fine, you can upgrade your products by AT+CIUPDATE=0,"v2.3.0.0".

Feature

• Added the AT+CIPSSLCCIPHER command to configure the SSL cipher‑suite list

Bugfix

• Fixed a potential SSL reconnection failure in passthrough mode when the SNI/CN/PSK/ALPN parameters were set before entering passthrough mode