The Espressif Thread Border Router SDK v1.2 release.

It's based on ESP-IDF v5.4.2, the corresponding OpenThread commit is ec2b0d4.

Use the following commands to download the ESP-IDF and ESP-Thread-BR for this release:

git clone -b v5.4.2 --recursive https://github.com/espressif/esp-idf.git
git clone -b v1.2 https://github.com/espressif/esp-thread-br.git

The latest documentation is available at: https://docs.espressif.com/projects/esp-thread-br.

ChangeLog

This is the list of changes since release v1.1:

Added

• Border Router Example Based on M5Stack

  • Added a border router example based on m5stack (6af15ad)
  • Added support for Unit Gateway H2 in the M5Stack example (8ecde3b)

• Thread Radio Encapsulation Link (TREL) Features

  • Supported TREL feature (espressif/esp-idf@a0ae573)

• DNS Related Features

  • Added check for IP address in DNS external resolve hook (espressif/esp-idf@1723b41)
  • Supported DNS resolver to forward IPv6 query and response (espressif/esp-idf@d6b6583)

• RCP Related Features

  • Added a callback to handle RCP reset failure (espressif/esp-idf@352ea8d)
  • Added an API to set RCP version string (espressif/esp-idf@77fb4e4)
  • Supported RCP update of ESP32-C6 (175715b)
  • Supported restoring vendor properties of RCP (espressif/esp-idf@09419b1)
  • Supported vendor hook for RCP SPI (espressif/esp-idf@1c75f46)
  • Supported RCP time sync and CSL options (espressif/esp-idf@c33c8a2)

• SRP Related Features

  • Handled subtype changed event (espressif/esp-idf@7564ff7)
  • Supported modifying port and txt of service (espressif/esp-idf@14bc7c0)

• Supported new SoCs

  • Supported ESP32-C5 based Thread border router (espressif/esp-idf@26d8350)
  • Supported ESP32-P4 based Thread border router (3512245)

• Other Features

  • Added dataset changed event and post it in state change callback (espressif/esp-idf@9677b9b)
  • Supported bus_latency for dual-chip BR solution (espressif/esp-idf@f59e0b6)
  • Supported changing OpenThread version information (espressif/esp-idf@fd166e8)
  • Supported preferred channel mask (espressif/esp-idf@86eed3f)
  • Supported time sync feature on border router (espressif/esp-idf@4025f1f)
  • Supported using custom header file (espressif/esp-idf@b813889)
  • Enabled Wi-Fi CLI extension for esp-hosted (a5244f1)
  • Supported alloc nat64 session from psram (espressif/esp-idf@d5d07b4)
  • Registered a compatibility error handler for border router (ccf5b28)

Changed

• Adjusted the OpenThread menuconfig structure (espressif/esp-idf@b813889)
• Enabled bbr when initialize border router (espressif/esp-idf@14bc7c0)
• Replaced netconn external resolve hook with dns external hook (espressif/esp-idf@f62628d)
• Unset default netif to ot (ce5ae6f)

Fixed

• DNS Related Fixes

  • Fixed external DNS resolve hook for DNS64 client (espressif/esp-idf@8af82e8)

• SRP Related Fixes

  • Checked the number of items before adding or updating subtypes (espressif/esp-idf@d6b6583)
  • Enlarged the default config for max services (3f18ebf)
  • Removed ML-EID address filter for srp client (espressif/esp-idf@26d8350)

• OpenThread Extension Command Fixes

  • Added lock for TCP socket extension commands (df53c24)
  • Fixed the ot Wi-Fi extension commands to resolve a deadlock issue (8d0580f)

• Other Fixes

  • Fixed endless loop when process invalid RA message (espressif/esp-idf@14bc7c0)
  • Fixed invalid host resolving for Thread end devices (espressif/esp-idf@7cf389d)
  • Fixed ping pong issue in multicast forwarding (espressif/esp-idf@d6b6583)
  • Handled SetTimeSyncState when ifconfig up or down (espressif/esp-idf@a53f89e)
  • Set channel for energy scan (espressif/esp-idf@7c03514)