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Releases: SiliconLabs/simplicity_sdk

v2024.6.2: Simplicity SDK 2024.6.2

19 Sep 17:11
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Simplicity SDK Version 2024.6.2

Component Version Summary Details
Bluetooth SDK 8.2.0.0 Bluetooth
- Targeted quality improvements and bug fixes.
Multiprotocol
- Targeted quality improvements and bug fixes.
Release Notes
Bluetooth Location Services 8.2.0.0 - Targeted quality improvements and bug fixes.
Release Notes
Bluetooth Mesh SDK 7.0.2.0 - Targeted quality improvements and bug fixes.
Release Notes
Gecko Platform 5.0.2.0 - Targeted quality improvements and bug fixes.
Release Notes
OpenThread SDK 2.5.2.0 OpenThread
- Targeted quality improvements and bug fixes.
Multiprotocol
- Targeted quality improvements and bug fixes.
Release Notes
Proprietary Flex SDK 3.8.2.0 RAIL Apps and Library
- Targeted quality improvements and bug fixes.
Connect Apps and Stack
- Targeted quality improvements and bug fixes.
Release Notes
USB Device Stack 1.3.1.0 - Same as previous release Release Notes
Wi-SUN SDK 2.2.0.0 Wi-SUN Stack
- Targeted quality improvements and bug fixes.
Wi-SUN Applications
- Targeted quality improvements and bug fixes.
Release Notes
Z-Wave and Z-Wave Long Range 800 SDK 7.22.2.0 - 7.22.2 GA is self-certified according to the approved 2024A Specification test suite.
- User Credential Command Class implementation is adapted based on the state of the Z-Wave Specification at the time of the 7.22.2 GA release, which may change until the 2024-B1 Z-Wave Specification release.
- 7.22.0 GA is officially certified according to the approved 2023B Specification test suite and can be selected on Z-Wave Alliance Certification Portal for End Device product certification.
Release Notes
Zigbee EmberZNet SDK 8.0.2.0 Zigbee
- Targeted quality improvements and bug fixes.
Multiprotocol
- Targeted quality improvements and bug fixes.
Release Notes

v2024.6.1

25 Jul 15:58
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Simplicity SDK Version 2024.6.1

Component Version Summary Details
Bluetooth SDK 8.1.0.0 Bluetooth
- New APIs and Channel Sounding stability improvements.
Multiprotocol
- Targeted quality improvements and bug fixes.
Release Notes
Bluetooth Location Services 8.1.0.0 - Channel Sounding based distance estimation support.
Release Notes
Bluetooth Mesh SDK 7.0.1.0 - Support for delta-compressed firmware updates.
Release Notes
Platform 5.0.1.0 - Added missing EFR32xG26 devices to pintool.
- Added support for EFR32BG27C320F768IJ39.
Gecko Bootloader
- Added Delta DFU for Application upgrade.
RAIL 5.0.1
- Added support of automatic LNA bypass on the EFR32xG25 parts.
Release Notes
OpenThread SDK 2.5.1.0 OpenThread
- Targeted quality improvements and bug fixes.
Multiprotocol
- Targeted quality improvements and bug fixes.
Release Notes
Proprietary Flex SDK 3.8.1.0 RAIL Apps and Library
- Targeted quality improvements and bug fixes.
Connect Apps and Stack
- Targeted quality improvements and bug fixes.
Release Notes
USB Device Stack 1.3.1.0 - Underlying platform changes only Release Notes
Wi-SUN SDK 2.1.0.0 Wi-SUN Stack
- Targeted quality improvements and bug fixes.
Wi-SUN Applications
- Targeted quality improvements and bug fixes.
Release Notes
Z-Wave and Z-Wave Long Range 800 SDK 7.22.1.0 - 7.22.1 GA is self-certified according to the approved 2023B Specification test suite.
- 7.22.0 GA is officially certified according to the approved 2023B Specification test suite and can be selected on Z-Wave Alliance Certification Portal for End Device product certification.
Release Notes
Zigbee EmberZNet SDK 8.0.1.0 Zigbee
- Targeted quality improvements and bug fixes.
Multiprotocol
- Targeted quality improvements and bug fixes.
Release Notes

v2024.6.0

06 Jun 16:19
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Simplicity SDK Version 2024.6.0

Component Version Summary Details
Bluetooth SDK 8.0.0.0 Bluetooth
- Auto-connect feature enables connecting to any device on the accept list
- Common Memory and Clock Manager integration
- Electronic Shelf Label (ESL) related improvements
- Removed support for Series 0/1
Multiprotocol
- Alpha support for OpenWRT on host processor of multiprotocol RCP solution
- Alpha support for Concurrent Zigbee and Matter over OpenThread, with DMP BLE
Release Notes
Bluetooth Location Services 8.0.0.0 - Underlying code changes only
- Removed support for Series 0/1
Release Notes
Bluetooth Mesh SDK 7.0.0.0 - Migration to Simplicity SDK Suite
- Removed support for Series 0/1
Release Notes
Platform 5.0.0.0 - Migration to Simplicity SDK Suite
- Removed support for Series 0/1
Peripherals
- New API names introduced for low-level drivers (with compatibility layer for old names)
Services
- Memory Manager, APIs to manage embedded dynamic memory allocations
- Clock Manager, for clock tree initialization
- Event System, for inter-process communication
- Interrupt manager, APIs to manage embedded interrupts
- APIs for accessing value of tokens added to Token Manager
CPC
- Small improvement and bug fixes
Security
- Mbed TLS upgraded (to version 3.5.0)
RAIL 5.0.0
- Added support for collision detection feature on the EFR32xG25 parts
- Added support for additional Coex TX and RX metrics events to RAIL coexistence utility
- Updated some RAIL APIs to better prepare for future API changes while retaining backwards compile-time compatibility
Other Components
- Compilers upgraded (to GCC 12.2.1 and IAR 9.40.1)
Release Notes
OpenThread SDK 2.5.0.0 OpenThread
- Thread 1.3.0 certification compliance with Thread Test Harness v59.0 for SoC and Host-RCP architectures
- Thread 1.4 features - Alpha / Experimental
- Coex Metrics enhancements
- OpenThread Mesh Performance Results (AN1408)
- New Part support: MG26 support - Alpha
- Removed support for Series 0/1
Multiprotocol
- ZigbeeD and OTBR support on OpenWRT - Alpha
- DMP BLE + CMP ZB & Matter/OT - Alpha
- Removed support for Series 0/1
Release Notes
Proprietary Flex SDK 3.8.0.0 RAIL Apps and Library
- Flex-RAIL SDK support for EFR32xG22E Devices
- LCD Display usage in WM-BUS Meter Sample Application on DK2600
- Collision Detection support in RAIL Library in concurrent mode on FG25
- Added support for additional Coex TX and RX metrics events to RAIL coexistence utility
- Updated some RAIL APIs to better prepare for future API changes while retaining backwards compile-time compatibility
Connect Apps and Stack
- Flex-Connect SDK support for EFR32xG22E Devices
- Removed support for Series 0/1
Release Notes
USB Device Stack 1.3.0.0 - Underlying platform changes only Release Notes
Wi-SUN SDK 2.0.0.0 Wi-SUN Stack
- Dropped the legacy socket API
- Stability improvements
- Removed support for Series 0/1
Wi-SUN Applications
- Underlying platform changes only
Release Notes
Z-Wave and Z-Wave Long Range 800 SDK 7.22.0.0 - 7.22.0 GA is self-certified according to the approved 2023B Specification test suite
- 7.22.0 and future updates support the 800 Series platform
- 700 Series platform will continue to be supported through the upcoming 7.21.x releases
- Introducing ZWLR Europe support in experimental quality
- Z-Wave NCP controller stability improvements
- Introducing User Credential Command Class beta
- Introducing CLI support in sample apps
- Removed support for Series 0/1
Release Notes
Zigbee EmberZNet SDK 8.0.0.0 Zigbee
- Zigbee re-architecture to support stack and framework to be fully RTOS based
- Memory management update
- New clock manager component integrated in Zigbee applications
- Removed support for Series 0/1
- Added support for series 3 – Alpha
- Added support for new platform xG26, xG22E
- Zigbee GP 1.1.2
- Support Sleepy NCP use case
- New application for Zigbee Unified Test Harness - Alpha
Multiprotocol
- Alpha support for OpenWRT on host processor of multiprotocol RCP solution
- Alpha support for Concurrent Zigbee and Matter over OpenThread, with DMP BLE
Release Notes