Introduction
This document provides release notes for the Silicon Labs OpenThread SDK version 2.6.3.0 GA. The SDK offers an enhanced, fully tested version of Google's open-source OpenThread implementation, tailored for Silicon Labs hardware. It supports a wide range of hardware and includes comprehensive documentation and example applications.
The OpenThread stack is a secure, reliable, and scalable wireless IPv6 mesh networking protocol optimized for low-power, battery-backed operation, making it ideal for Connected Home applications. This SDK facilitates the development of Thread-compliant devices.
Key Features and Updates
- Thread 1.4 Certification Compliance: Support for Thread 1.4 certification for SoC devices and Thread 1.3 certification with 1.4 Alpha support for OTBR.
- Multiprotocol Support: Enhanced multiprotocol capabilities including ZigbeeD and OTBR support on OpenWRT, and concurrent listening for BLE, Zigbee, and Matter/OT on MG26.
- New Platform Support: Includes support for new modules like MGM260PD32VNA2 and MGM260PD22VNA2, and radio boards such as MGM260P-RB4350A and BRD2709A.
- Security Features: Integration with Secure Vault for protected key management and TrustZone secure key storage for Thread/MP SoC projects.
- Improvements and Fixes: Includes application sleep improvements, child supervision check timeout enablement, increased default stack size, and numerous bug fixes addressing issues like RCP resets, build errors, and race conditions.
Compatibility and Usage
- Compatible Compilers: GCC version 12.2.1, provided with Simplicity Studio.
- Installation: Recommended installation via Simplicity Studio 5 for a complete development environment. Manual installation from GitHub is also available.
- Documentation: Comprehensive documentation, including QuickStart Guides and Thread Fundamentals, is available on the Silicon Labs website.
- Security Advisories: Users are strongly recommended to subscribe to Security Advisories for the latest information.
