Skip to content

Releases: SiliconLabs/gecko_sdk

v4.2.5

24 Jan 21:31

Choose a tag to compare

Gecko SDK (GSDK) Version 4.2.5.0

Component Version Summary Details
32-Bit MCU SDK 6.4.5.0 - Underlying platform changes only Release Notes
Bluetooth SDK 5.1.4.0 - Targeted quality improvements and bug fixes Release Notes
Bluetooth Location Services 5.1.4.0 - Underlying code changes and documentation fix Release Notes
Bluetooth Mesh SDK 4.2.3.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.2.5.0 - CPC: Fixed one issue Release Notes
OpenThread SDK 2.2.5.0 - Targeted quality improvements and bug fixes Release Notes
Proprietary Flex SDK 3.5.5.0 - Underlying platform changes only Release Notes
USB Device Stack 1.1.1.0 - Targeted quality improvements and bug fixes Release Notes
Wi-SUN SDK 1.5.2.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK GA 7.19.5.0 - Targeted quality improvements and bug fixes Release Notes
Zigbee EmberZNet SDK 7.2.5.0 - Zigbee: Targeted quality improvements and bug fixes Release Notes

v4.4.0

14 Dec 21:25

Choose a tag to compare

Gecko SDK (GSDK) Version 4.4.0.0

Component Version Summary Details
32-Bit MCU SDK 6.6.0.0 - Added support for new OPNs
- Upgrade compilers to GCC 12.2.1 and IAR 9.40.1
Release Notes
Bluetooth SDK 7.0.0.0 Bluetooth
- Bluetooth Connection Analyzer can retrieve detailed connection parameters of a local connection and allows non-connected devices to track the RSSI of the connected devices
Multiprotocol
- Concurrent Listening support (RCP) – MG21 and MG24
- Concurrent Multiprotocol (CMP) Zigbee NCP + OpenThread RCP – production
- Dynamic Multiprotocol Bluetooth + Concurrent Multiprotocol (CMP) Zigbee and OpenThread support on SoC
Release Notes
Bluetooth Location Services 7.0.0.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 6.0.0.0 - Qualified implementation of Bluetooth Mesh 1.1
- Added Network Lighting Control (NLC) profiles
Release Notes
Gecko Platform 4.4.0.0 Peripherals
- New API names introduced for low-level drivers (with compatibility layer for old names)
Services
- APIs for accessing value of tokens added to Token Manager
CPC
- NVM3 module, enabling Host access to Secondary device's non-volatile memory, released at production quality
- CPC Primary, for use with MCU Hosts, released at Experimental quality
- Numerous optimizations and performance improvements made
Security
- Mbed TLS upgraded (to version 3.5.0)
RAIL
- Several new features added for EFR32xG25 devices, including a new component for selecting modulations supported by the software modem
- Support added for several new PHYs, including Sidewalk PHYs on EFR32xG23 and EFR32xG28
Other components
- Compilers upgraded (to GCC 12.2.1 and IAR 9.40.1)
Release Notes
OpenThread SDK 2.4.0.0 Thread
- Thread 1.3.0 certification compliance with Thread Test Harness v59.0 for SoC and Host-RCP architectures
- Thread 1.3.1 feature support - Experimental
- Crash Handler support
- TrustZone Evaluation support
- MR21 support for OpenThread RCP – Production
Multiprotocol
- Concurrent Listening support (RCP) – MG21 and MG24
- Concurrent Multiprotocol (CMP) Zigbee NCP + OpenThread RCP – production
- Dynamic Multiprotocol Bluetooth + Concurrent Multiprotocol (CMP) Zigbee and OpenThread support on SoC
Release Notes
Proprietary Flex SDK 3.7.0.0 Connect
- Support of SUN-FSK and SUN-OFDM
- Hardware Abstraction Layer update
- Added Hardware Support: MG24 QFN40, EFRBG22-E, EFR32xG28 Explorer Kit
RAIL SDK
- Connect OFDM support for some Applications
- EFR32xG28 Proprietary 2.4 GHz 15.4 Standard PHY Support
- Added Hardware Support: MG24 QFN40, EFRBG22-E, EFR32xG28 Explorer Kit
Release Notes
USB Device Stack 1.2.0.0 - Targeted quality improvements and bug fixes Release Notes
Wi-SUN SDK 1.8.0.0 Wi-SUN Stack
- Added support for LFN multicast reception
- Added support for non-standard PHY configurations
- Added support for blocking sockets
Wi-SUN Application Improvements
- Configurable LFN Support for all the applications
- Wi-SUN – SoC Network Measurement
- Wi-SUN – SoC (CoAP) Meter and Wi-SUN – SoC (CoAP) Collector
Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.21.0.0 - BRD2705 Explorer kit includes new applications
- Various quality improvements
- Z-Wave PC-based Zniffer v6.48 released with CSV export feature
Release Notes
Zigbee EmberZNet SDK 7.4.0.0 Zigbee
- Zigbee R23 compliance
- Zigbee Smart Energy 1.4a compliance - production
- Zigbee GP 1.1.2 compliance - Alpha
- MG27 support - production
- Improved support for Secure Vault parts
- Sleepy support on NCP SPI (non-CPC) applications – Alpha
Multiprotocol
- Concurrent Listening support (RCP) – MG21 and MG24
- Concurrent Multiprotocol (CMP) Zigbee NCP + OpenThread RCP – production
- Dynamic Multiprotocol Bluetooth + Concurrent Multiprotocol (CMP) Zigbee and OpenThread support on SoC
Release Notes

v4.3.2

10 Oct 20:29

Choose a tag to compare

Gecko SDK (GSDK) Version 4.3.2.0

Component Version Summary Details
32-Bit MCU SDK 6.5.2.0 - Underlying platform changes only Release Notes
Bluetooth SDK 6.2.0.0 - Connection Statistics feature
- ESL system supports opening and maintaining multiple parallel connections between Access Point and Tags
- Targeted quality improvements and bug fixes
Release Notes
Bluetooth Location Services 6.2.0.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 5.0.2.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.3.2.0 - Targeted quality improvements and bug fixes Release Notes
OpenThread SDK 2.3.2.0 - Targeted quality improvements and bug fixes Release Notes
Proprietary Flex SDK 3.6.2.0 - Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.1.2.0 - Same as previous release Release Notes
Wi-SUN SDK 1.7.1.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.20.2.0 - Certified according to the approved 2022 Specification test suite
- Various bug fixes, refer to release notes
Release Notes
Zigbee EmberZNet SDK 7.3.2.0 - Targeted quality improvements and bug fixes Release Notes

Full Changelog: v4.3.1...v4.3.2

v4.1.6

14 Sep 18:15

Choose a tag to compare

Gecko SDK (GSDK) Version 4.1.6.0

Component Version Summary Details
32-Bit MCU SDK 6.3.6.0 - Underlying platform changes only Release Notes
Bluetooth SDK 4.2.4.0 - Underlying platform changes only Release Notes
Bluetooth Location Services 4.2.4.0 - Underlying platform changes only Release Notes
Bluetooth Mesh SDK 3.0.6.0 - Underlying platform changes only Release Notes
Gecko Platform 4.1.6.0 - Bootloader: One update Release Notes
OpenThread SDK 2.1.6.0 - Underlying platform changes only Release Notes
Proprietary Flex SDK 3.4.6.0 - Underlying platform changes only Release Notes
USB Device Stack 1.0.0.0 - No change from previous release Release Notes
Wi-SUN SDK 1.3.3.0 - No change from previous release Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK 7.18.8.0 - Certified according to the approved 2022 Specification test suite
- Underlying platform changes only
Release Notes
Zigbee EmberZNet SDK 7.1.6.0 - Underlying platform changes only Release Notes

Full Changelog: v4.1.5...v4.1.6

v4.2.4

17 Aug 18:14

Choose a tag to compare

Gecko SDK (GSDK) Version 4.2.4.0

Component Version Summary Details
32-Bit MCU SDK 6.4.4.0 - Underlying platform changes only Release Notes
Bluetooth SDK 5.1.3.0 - Bluetooth: Support for EFR32xG21, Revision C and later
- Multiprotocol: Targeted quality improvements and bug fixes
Release Notes
Bluetooth Location Services 5.1.3.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 4.2.2.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.2.4.0 - Boards and External Devices: Additional boards supported
- Gecko Bootloader: Targeted quality improvements and bug fixes
Release Notes
OpenThread SDK 2.2.4.0 - OpenThread: Support for EFR32xG21, Revision C and later
- Multiprotocol: Targeted quality improvements and bug fixes
Release Notes
Proprietary Flex SDK 3.5.4.0 - RAIL Library: Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.1.1.0 - Targeted quality improvements and bug fixes Release Notes
Wi-SUN SDK 1.5.2.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK GA 7.19.4.0 - Certified according to the approved 2022 Specification test suite
- Underlying platform changes only
Release Notes
Zigbee EmberZNet SDK 7.2.4.0 Zigbee: Support for EFR32xG21, Revision C and later plus other improvements and bug fixes
- Multiprotocol: Targeted quality improvements and bug fixes
Release Notes

v4.3.1

27 Jul 20:55

Choose a tag to compare

Gecko SDK (GSDK) Version 4.3.1.0

Component Version Summary Details
32-Bit MCU SDK 6.5.1.0 - Underlying platform changes only Release Notes
Bluetooth SDK 6.1.0.0 Bluetooth
- User-controlled Tx Power
- Host example for testing NCP communication
Multiprotocol
- Targeted quality improvements and bug fixes
Release Notes
Bluetooth Location Services 6.1.0.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 5.0.1.0 - Added support for BRD4194A and BRD4187C radio boards for BT Mesh IOP Test Demos Release Notes
Gecko Platform 4.3.1.0 - Targeted quality improvements and bug fixes Release Notes
OpenThread SDK 2.3.1.0 Targeted quality improvements and bug fixes Release Notes
Proprietary Flex SDK 3.6.1.0 - RAIL Library: Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.1.2.0 - Same as previous release Release Notes
Wi-SUN SDK 1.7.0.0 - Wi-SUN Stack: LFN devices can now enter into EM2 Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.20.1.0 - Certified according to the approved 2022 Specification test suite
- Various bug fixes, refer to release notes
Release Notes
Zigbee EmberZNet SDK 7.3.1.0 - Targeted quality improvements and bug fixes Release Notes

v4.1.5

28 Jun 19:11

Choose a tag to compare

Gecko SDK (GSDK) Version 4.1.5.0

Component Version Summary Details
32-Bit MCU SDK 6.3.5.0 - Underlying platform changes only Release Notes
Bluetooth SDK 4.2.3.0 - Support for EFR32xG21, Revision C and later plus targeted quality improvements and bug fixes Release Notes
Bluetooth Location Services 4.2.3.0 - Underlying platform changes only Release Notes
Bluetooth Mesh SDK 3.0.5.0 - Support for EFR32xG21, Revision C and later Release Notes
Gecko Platform 4.1.5.0 - Support for EFR32xG21, Revision C and later Release Notes
OpenThread SDK 2.1.5.0 - Support for EFR32xG21, Revision C and later Release Notes
Proprietary Flex SDK 3.4.5.0 - RAIL Library: Support for EFR32xG21, Revision C and later Release Notes
USB Device Stack 1.0.0.0 - No change from previous release Release Notes
Wi-SUN SDK 1.3.3.0 - No change from previous release Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK 7.18.6.0 - Certified according to the approved 2022 Specification test suite
- Underlying platform changes only
Release Notes
Zigbee EmberZNet SDK 7.1.5.0 - Support for EFR32xG21, Revision C and later, plus bug fixes Release Notes

v4.3.0

08 Jun 20:27

Choose a tag to compare

Gecko SDK (GSDK) Version 4.3.0.0

Component Version Summary Details
32-Bit MCU SDK 6.5.0.0 - Added support for new OPNs Release Notes
Bluetooth SDK 6.0.0.0 Bluetooth
- Bluetooth 5.4 support including Periodic Advertisements with Responses (PAwR) and Encrypted Advertisement Data (EAD) features
- Electronic Shelf Label (ESL) Service / Profile support - both Tag and Access Point (AP) roles
- Object Transfer Service / Profile support
- Periodic Advertisement Sync Transfer (PAST) support
- LE Privacy 1.2
Multiprotocol
- Zigbee/OpenThread Concurrent Multiprotocol SoC sample app
- CPC GPIO expander module
- Zigbeed enhancements
Release Notes
Bluetooth Location Services 6.0.0.0 - Some library variants now compile with Position Independent Code flags Release Notes
Bluetooth Mesh SDK 5.0.0.0 - Support for Mesh Protocol 1.1
- Support for Mesh Model 1.1
- Support for Mesh Binary Large Object Transfer
- Support for Mesh Device Firmware Update
Release Notes
Gecko Platform 4.3.0.0 -Support for EFR32xG27 devices
-Power Manager update for optimized return from EM2
-CPC support for multiple SPI clients
-CPC remote peripheral (GPIO) access
-License change (to open-source zlib) for various platform files
Release Notes
OpenThread SDK 2.3.0.0 OpenThread
Thread 1.3.1 (experimental)
- IPv4/v6 public internet connectivity: NAT64 improvements, optimization of published routes and prefixes in network data
- DNS enhancements for OTBR
- Thread over Infrastructure (TREL)
Network Diagnostics (experimental)
- Child supervision by parent
- Additional link quality information in child table
- Uptime for routers
Multiprotocol
- Zigbee/OpenThread Concurrent Multiprotocol SoC sample app
- CPC GPIO expander module
- Zigbeed enhancements
Release Notes
Proprietary Flex SDK 3.6.0.0 RAIL Apps and Library:
- FG23 Direct Mode settings in Radio Configurator
- WM-BUS T+C PHY support
- FGM230S WM-BUS PHYs and Application support
- RAIL NCP Sample Applications
- PSM support for DSSS-OQPSK Long Range PHYs
Connect Apps and Stack:
- Connect NCP support
- FGM230S Connect support
Release Notes
USB Device Stack 1.1.2.0 - Internal modifications to reduce USB stack code size Release Notes
Wi-SUN SDK 1.6.0.0 Wi-SUN Stack
- EFR32FG28 support
- Connection time improvements
- LFN support improvements
Wi-SUN Applications
- Firmware over-the-air update
- Wi-SUN configurator update
Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Pre-Certified GA 7.20.0.0 - FG28/ZG28-based radio boards BRD4401A/B supported
- Z-Wave FLiRS inclusion performance improved in large networks
- Z-Wave Long Range wakeup beam performance improved
- Simplified application development by moving logic from the Apps to ZAF
- 800 DevKit (BRD2603) includes new applications and Multilevelsensor extended with new features
- Improved documentation to better support development from idea to certification
- Z-Wave Simulator available for Z-Wave Alliance members
- Z-Wave PC-based Zniffer v4.67 released
Release Notes
Zigbee EmberZNet SDK 7.3.0.0 Zigbee
Zigbee R23 compliance, with these Security enhancements among others:
- Dynamic link key negotiation
- Device interview to query devices before they are allowed to join
- Trust Center Swap Out to replace an existing Trust Center with a new one
- Frame Counter Synchronization
Zigbee Direct Device (ZDD) support for:
- Onboarding/commissioning
- Communication to all Zigbee devices without a hub (Alpha), using Bluetooth LE
Zigbee Smart Energy 1.4a compliance (Alpha)
Enhancements to Zigbee GP APIs
New Zigbee Security upgrade component for moving encryption keys from cleartext NVM3 tokens into secure storage
Multiprotocol
Zigbee/OpenThread Concurrent Multiprotocol SoC sample app
CPC GPIO expander module
Zigbeed enhancements
Release Notes

v4.2.3

04 May 03:18

Choose a tag to compare

Gecko SDK (GSDK) Version 4.2.3.0

Component Version Summary Details
32-Bit MCU SDK 6.4.3.0 - Underlying platform changes only Release Notes
Bluetooth SDK 5.1.2.0 - Targeted quality improvements and bug fixes Release Notes
Bluetooth Location Services 5.1.2.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 4.2.1.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.2.3.0 - CMSIS Device: Added support for EFR32xG21 Rev. C and Rev. D devices
- Boards and External Devices: Additional boards supported
- RAIL library: Targeted quality improvements and bug fixes
Release Notes
OpenThread SDK 2.2.3.0 - Targeted quality improvements and bug fixes Release Notes
Proprietary Flex SDK 3.5.3.0 - RAIL Library: Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.1.1.0 - Targeted quality improvements and bug fixes Release Notes
Wi-SUN SDK 1.5.2.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK GA 7.19.3.0 - Certified according to the approved 2022 Specification test suite
- Underlying platform changes only
Release Notes
Zigbee EmberZNet SDK 7.2.3.0 - Targeted quality improvements and bug fixes Release Notes

v4.2.2

10 Mar 19:38

Choose a tag to compare

Gecko SDK (GSDK) Version 4.2.2.0

Component Version Summary Details
32-Bit MCU SDK 6.4.2.0 - Underlying platform changes only Release Notes
Bluetooth SDK 5.1.1.0 - TrustZone solution is now available on all Bluetooth devices. See AN1374: Series 2 TrustZone for implementation details.
- Other targeted quality improvements and bug fixes
Release Notes
Bluetooth Location Services 5.1.1.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 4.2.0.0 - Support for Mesh draft specification 1.1, including Mesh Protocol, Mesh Binary Large Object Transfer Model (MBT), and Mesh Device Firmware Update Model (DFU)
- Reduced project flash consumption by optimizing Mesh stack code size
- Support added for xGM240P PCB Modules and BG22/BGM220 Explorer Kits
- Support added for GCC version 10.3-2021.10 and IAR version 9.20.4
Release Notes
Gecko Platform 4.2.2.0 - Security: Released software support for TrustZone, GA quality
- Other targeted quality improvements and bug fixes
Release Notes
OpenThread SDK 2.2.2.0 - Targeted quality improvements and bug fixes Release Notes
Proprietary Flex SDK 3.5.2.0 - RAIL Library: Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.1.1.0 - Targeted quality improvements and bug fixes Release Notes
Wi-SUN SDK 1.5.1.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK GA 7.19.2.0 - Certified according to the approved 2022 Specification test suite
- Various bug fixes, refer to release notes
Release Notes
Zigbee EmberZNet SDK 7.2.2.0 - Targeted quality improvements and bug fixes Release Notes