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Releases: SiliconLabs/gecko_sdk

v4.4.3

03 May 17:21
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Gecko SDK (GSDK) Version 4.4.3.0

Component Version Summary Details
32-Bit MCU SDK 6.6.3.0 - Underlying platform changes only Release Notes
Bluetooth SDK 7.1.1.0 Bluetooth
- Underlying platform changes only
Multiprotocol
- Underlying platform changes only
Release Notes
Bluetooth Location Services 7.1.1.0 - Underlying platform changes only Release Notes
Bluetooth Mesh SDK 6.1.1.0 - Underlying platform changes only Release Notes
Gecko Platform 4.4.3.0 - Fixed the Pin Assignment issue which prevents the configuration header files from being created/updated when using PinTool Release Notes
OpenThread SDK 2.4.3.0 OpenThread
- Underlying platform changes only
Multiprotocol
- Underlying platform changes only
Release Notes
Proprietary Flex SDK 3.7.3.0 - Underlying platform changes only Release Notes
USB Device Stack 1.2.2.0 - Underlying platform changes only Release Notes
Wi-SUN SDK 1.10.1.0 - Underlying platform changes only Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.21.3.0 - Various bug fixes, refer to release notes Release Notes
Zigbee EmberZNet SDK 7.4.3.0 Zigbee
- Underlying platform changes only
Multiprotocol
- Underlying platform changes only
Release Notes

v4.4.2

10 Apr 19:47
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Gecko SDK (GSDK) Version 4.4.2.0

Component Version Summary Details
32-Bit MCU SDK 6.6.2.0 - Underlying platform changes only Release Notes
Bluetooth SDK 7.1.0.0 Bluetooth
- New Bluetooth stack event for signaling memory exhaustion
- Targeted quality improvements and bug fixes
Multiprotocol
- Targeted quality improvements and bug fixes
Release Notes
Bluetooth Location Services 7.1.0.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 6.1.0.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.4.2.0 - Targeted quality improvements and bug fixes Release Notes
OpenThread SDK 2.4.2.0 OpenThread
- Targeted quality improvements and bug fixes Multiprotocol
- Targeted quality improvements and bug fixes
Release Notes
Proprietary Flex SDK 3.7.2.0 - Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.2.1.0 - Targeted quality improvements and bug fixes Release Notes
Wi-SUN SDK 1.10.0.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.21.2.0 - Various bug fixes, refer to release notes Release Notes
Zigbee EmberZNet SDK 7.4.2.0 Zigbee
- Targeted quality improvements and bug fixes Multiprotocol
- Targeted quality improvements and bug fixes
Release Notes

v4.3.3

14 Mar 01:04
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Gecko SDK (GSDK) Version 4.3.3.0

This release of GSDK supports the Arm Embedded Toolchain version 10.3-2021.10 and IAR Embedded Workbench version 9.20.4. One of these toolchains must be installed.

Component Version Summary Details
32-Bit MCU SDK 6.5.3.0 - Underlying platform changes only Release Notes
Bluetooth SDK 6.3.0.0 Bluetooth
- Targeted quality improvements and bug fixes
Multiprotocol
- Zigbee/OpenThread Concurrent Multiprotocol SoC sample app
- CPC GPIO expander module
- Zigbeed enhancements
Release Notes
Bluetooth Location Services 6.3.0.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 5.0.3.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.3.3.0 - Targeted quality improvements and bug fixes Release Notes
OpenThread SDK 2.3.3.0 Thread
- Targeted quality improvements and bug fixes
Multiprotocol
- Zigbee/OpenThread Concurrent Multiprotocol SoC sample app
- CPC GPIO expander module
- Zigbeed enhancements
Release Notes
Proprietary Flex SDK 3.6.3.0 - Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.1.2.0 - Unchanged from previous release Release Notes
Wi-SUN SDK 1.7.2.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.20.3.0 - Targeted quality improvements and bug fixes Release Notes
Zigbee EmberZNet SDK 7.3.3.0 Zigbee
- Targeted quality improvements and bug fixes
Multiprotocol
- Zigbee/OpenThread Concurrent Multiprotocol SoC sample app
- CPC GPIO expander module
- Zigbeed enhancements
Release Notes

v4.4.1

14 Feb 17:19
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Gecko SDK (GSDK) Version 4.4.1.0

Component Version Summary Details
32-Bit MCU SDK 6.6.1.0 - Underlying platform changes only Release Notes
Bluetooth SDK 7.0.1.0 - Targeted quality improvements and bug fixes Release Notes
Bluetooth Location Services 7.0.1.0 - Underlying code changes only Release Notes
Bluetooth Mesh SDK 6.0.1.0 - Targeted quality improvements and bug fixes Release Notes
Gecko Platform 4.4.1.0 - Targeted quality improvements and bug fixes Release Notes
OpenThread SDK 2.4.1.0 - Targeted quality improvements and bug fixes Release Notes
Proprietary Flex SDK 3.7.1.0 - Targeted quality improvements and bug fixes Release Notes
USB Device Stack 1.2.0.0 - Same as previous release Release Notes
Wi-SUN SDK 1.9.0.0 - Targeted quality improvements and bug fixes Release Notes
Z-Wave and Z-Wave Long Range 700/800 SDK Certified GA 7.21.1.0 - Various bug fixes, refer to release notes Release Notes
Zigbee EmberZNet SDK 7.4.1.0 - Targeted quality improvements and bug fixes Release Notes

v4.2.5

24 Jan 21:31
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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
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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
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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
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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
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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
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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