Simplicity SDK Version 2025.6.0 (June 16, 2025) - Release Notes#

The primary tool for the Silicon Labs IoT software development ecosystem, combining wireless software development kits (SDKs) and platform into a single, integrated package.

Click here for earlier releases.

Release Summary#

Release Item Version Release Date

Platform

5.2.0

June 16, 2025

RAIL Library

2.19.0

June 16, 2025

RAIL SDK

2.19.0

June 16, 2025

USB

1.5.0

June 16, 2025

Wi-Fi 6 + BLE (WiSeConnect 3)

3.5.0

June 18, 2025

OpenThread

2.7.0

June 16, 2025

Zigbee

8.2

June 16, 2025

Bluetooth LE

10.0.0

June 16, 2025

Bluetooth Mesh

9.0.0

June 16, 2025

Bluetooth Location Services

10.0.0

June 16, 2025

Z-Wave

7.24.0

June 16, 2025

Wi-SUN

2.6.0

June 16, 2025

Silicon Labs Matter

2.6.0-1.4

June 18, 2025

Amazon Sidewalk

2.5.0

June 30, 2025

Connect

4.1.0

June 16, 2025

Machine Learning

2.1.0

June 18, 2025

Simplicity Studio

5.11.0

June 16, 2025

Simplicity Connect Mobile App

3.1.0

June 16, 2025