SiliconLabsSoftware · silabs-vm · Mar 26, 2026 · Mar 16, 2026 · Mar 23, 2026 · Mar 25, 2026
@@ -4,7 +4,7 @@ This page provides links to pre-built software image "artifacts" that can be use
 
 Images for the items listed below are available under the "Assets" section at the bottom of this page:
 
-https://github.com/SiliconLabs/matter_extension/releases/tag/v2.8.0
+https://github.com/SiliconLabs/matter_extension/releases/tag/v2.8.1
 
 ## Matter Hub Raspberry Pi Image
 
@@ -16,25 +16,25 @@ https://www.silabs.com/documents/public/software/SilabsMatterPi_2.8.0-1.5-extens
 
 The Radio Co-Processor firmware is used to turn an EFR into an RCP that can be used with a Raspberry Pi to allow the Raspberry Pi's Open Thread Border Router to access the Thread network. Radio Co-Processor (RCP) images are available in the Assets section of this page:
 
-https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/ot-rcp-binaries-2.8.0-1.5.zip
+https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/ot-rcp-binaries-2.8.1-1.5.zip
 
 ## Matter Accessory Device Images
 
 The Matter Accessory Device Images are used to turn an EFR into a Matter device. These are pre-built binary images for the Matter Demo. Matter Accessory Device Images are located in the Assets section of this page:
 
-https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/matter-accessory-device-images_2.8.0-1.5.zip
+https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/matter-accessory-device-images_2.8.1-1.5.zip
 
 ## Matter Bootloader Binaries
 
 All Silicon Labs board supporting Matter require that a bootloader binary is flashed to the device along with the application image. Bootloader binaries for all of the Matter supported devices are available here:
 
-https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/bootloader_binaries_matter_extension_v2.8.0-1.5.zip
+https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/bootloader_binaries_matter_extension_v2.8.1-1.5.zip
 
 ## SiWx917 Firmware for SiWN917 NCP and SiWG917 SOC
 
 The SiWx917 firmware(SiWx917_firmware_files.zip) is used to update the SiWN917 NCP and SiWG917 SOC which can be found in the Assets section of this page:
 
-https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/SiWx917_firmware_files_2.8.0-1.5.zip
+https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/SiWx917_firmware_files_2.8.1-1.5.zip
 
 **Note**:
 
@@ -52,12 +52,12 @@ https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/SiWx917
 
 The SiWx917 RCP folder (siwx917_rcp_files.zip) contains the Matter Linux all-cluster-app, which can be run on a Raspberry Pi, and the wfx-sdio-overlay.dts file, a Device Tree Source file used to configure the SDIO interface on the Raspberry Pi to detect and communicate with the SiWx917 RCP.
 
-https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/siwx917_rcp_files.zip
+https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/siwx917_rcp_files.zip
 
 ## SiWx917 SoC Configuration Files For JLink RTT Logging
 
 To check device logs on JLink RTT for the Matter Application on the SiWx917 SoC, the **JLink RTT** must be configured for the SiWx917 SoC device by following the instructions on the [JLink RTT SOC Support](/matter/{build-docspace-version}/matter-wifi-enabling-features/jlink-soc-setup) for SiWx917 SoC.
 
-The [JLinkDevices.xml](https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/JLinkDevices.xml.zip) and [RS9117_SF_4MB_42bsp.elf](https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.0/RS9117_SF_4MB_42bsp.elf.zip) files referenced in the instructions may be found in the Assets section of this page.
+The [JLinkDevices.xml](https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/JLinkDevices.xml.zip) and [RS9117_SF_4MB_42bsp.elf](https://github.com/SiliconLabs/matter_extension/releases/download/v2.8.1/RS9117_SF_4MB_42bsp.elf.zip) files referenced in the instructions may be found in the Assets section of this page.
 
 >**Note**: For EFR32MG2x devices, JLink RTT Logging support is already enabled.
@@ -133,7 +133,7 @@ In order to use a custom cluster in an application, follow these steps:
       "value": "true"
     }   
  ```
-For an example, see [Sample ZAP file](https://github.com/SiliconLabsSoftware/matter_extension/blob/v2.8.0-rc3/slc/apps/performance-test-app/thread/performance-test-app.zap)
+For an example, see [Sample ZAP file](https://github.com/SiliconLabsSoftware/matter_extension/blob/release_2.8-1.5/slc/apps/performance-test-app/thread/performance-test-app.zap)
 - Install the **Custom ZAP generation** component under **Silicon Labs Matter -> Stack** in the project's Component Editor. 
 
 
@@ -205,5 +205,5 @@ In order to use a custom cluster in an application, follow these steps:
       "value": "true"
     }   
  ```
-For an example, see [Sample ZAP file](https://github.com/SiliconLabsSoftware/matter_extension/blob/v2.8.0-rc3/slc/apps/performance-test-app/thread/performance-test-app.zap)
+For an example, see [Sample ZAP file](https://github.com/SiliconLabsSoftware/matter_extension/blob/release_2.8-1.5/slc/apps/performance-test-app/thread/performance-test-app.zap)
 - Install the **Custom ZAP generation** component under **Silicon Labs Matter -> Stack** in the project's Component Editor.
@@ -72,4 +72,5 @@ Update digits based on the following criteria:
 |  v2.6.0-1.4  |  18-Jun-25     | 2025.6.0                       | v3.5.0   | 1.4 | Obsolete     |
 |  v2.6.1-1.4  |  23-Jul-25     | 2025.6.1                       | v3.5.1   | 1.4 | Maintained     |
 |  v2.7.0-1.4  |  25-Sep-25     | 2025.6.2                       | v3.5.2   | 1.4 | Maintained |
-|  v2.8.0-1.5  |  12-Jan-25     | 2025.12.0                      | v4.0.0   | 1.5 | Active     |
+|  v2.8.0-1.5  |  12-Jan-25     | 2025.12.0                      | v4.0.0   | 1.5 | Maintained |
+|  v2.8.1-1.5  |  23-Mar-25     | 2025.12.2                      | v4.0.1   | 1.5 | Active     |
@@ -8,7 +8,7 @@ To get started with Matter over Wi-Fi, download the latest version of Simplicity
 
 ## Setting up the Matter over Wi-Fi Development Environment
 
-Refer to the [Release Notes](https://github.com/SiliconLabs/matter_extension/releases/tag/v2.8.0) to know more about the latest releases from Silicon Labs.
+Refer to the [Release Notes](https://github.com/SiliconLabs/matter_extension/releases/tag/v2.8.1) to know more about the latest releases from Silicon Labs.
 
 To control the Matter Accessory Device, a controller is required which is termed as **chip-tool**. The chip-tool can be set up in two ways:
 

@@ -1,5 +1,8 @@
 # New Features
 
+## New Features for v2.8.1-1.5
+- PSRAM board support in Matter now uses WiseConnect components. To place specific code/data in PSRAM, enable the corresponding WiseConnect component for the section or region you want to relocate.
+
 ## New Features for v2.8.0-1.5
 
 - Quality-tested Matter 1.5 solution for Thread MG24 / MG26 / MG30, Wi-Fi SiWG917 SoC and SiWN917 NCP mode, and Wi-Fi MG24/WF200

@@ -4,7 +4,7 @@ This Quick-Start Guide will demo the out-of-box experience for adding an SiWx917
 
 ## Software Requirements
 
-- Simplicity Studio v6 with SiSDK - 2025.12.0 + Silicon Labs Matter - 2.8.0 + WiSeConnect - 4.0.0
+- Simplicity Studio v6 with SiSDK - 2025.12.2 + Silicon Labs Matter - 2.8.1 + WiSeConnect - 4.0.1
 - Simplicity Connect mobile App on Smartphone
 
 ## Hardware Requirements

@@ -4,7 +4,7 @@ This Quick-Start Guide demonstrates the out-of-box experience for adding an EFR3
 
 ## Software Requirements
 
-- Simplicity Studio v6 with SiSDK - 2025.12.0 + Silicon Labs Matter - 2.8.0
+- Simplicity Studio v6 with SiSDK - 2025.12.2 + Silicon Labs Matter - 2.8.1
 - Simplicity Connect mobile App on Smartphone
 
 ## Hardware Requirements

@@ -48,7 +48,7 @@ Want to get a Matter application up and running quickly? Here's a high-level ove
 
 ## Other Resources
 
-**To see release notes** containing a list of features and known issues, go to [Matter Release Notes on Silicon Labs Matter Extension](https://github.com/SiliconLabs/matter_extension/releases/tag/v2.8.0).
+**To see release notes** containing a list of features and known issues, go to [Matter Release Notes on Silicon Labs Matter Extension](https://github.com/SiliconLabs/matter_extension/releases/tag/v2.8.1).
 
 **If you are new to Matter** or would like more information about Silicon Labs Matter-based products, see the [Matter content on silabs.com](https://www.silabs.com/wireless/matter).
 

@@ -1,6 +1,6 @@
 # Introduction
 
-This section covers application development topics. Silicon Labs will build out this section over time. For Matter v2.8.0, we provide:
+This section covers application development topics. Silicon Labs will build out this section over time. For Matter v2.8.1, we provide:
 
 - [Matter Scenes Quick Start Guide](./matter-scenes-quick-start-guide)
 - [Matter Event and Timer Guide](./matter-event-timer-guide.md)

@@ -37,7 +37,7 @@ The following hands-on tutorial walks through the process of storing and recalli
 
 ### Requirements
 
-- Simplicity SDK 2025.12.0 + Matter extension 2.8.0 (or newer)
+- Simplicity SDK 2025.12.2 + Matter extension 2.8.1 (or newer)
 - Raspberry Pi 4 + MatterHub Image
 - 1x Silabs WTSK EFR32xG21 (BRD4108B) in RCP configuration
 - 2x [EFR32xG24-DK2601B Dev Kit](https://www.silabs.com/development-tools/wireless/efr32xg24-dev-kit?tab=overview)

@@ -74,6 +74,6 @@ All the certificate should be added in below format:
       - char device_certificate[] - Fill it with Device Certificate downloaded from AWS in Step 7.
       - char device_key[] - Fill it with Device Key generated in Step 6.
 
-9.  Repeat Step 6 to create a new thing for use in MQTT Explorer, using the certificate generated for MQTT Explorer during OpenSLL certificate creation (e.g., `explorer.csr`). Create a `.pem` file from the CA certificate in Step 8 and use it as the server certificate in MQTT Explorer.
+9. Repeat Step 6 to create a new thing for use in MQTT Explorer, using the certificate generated for MQTT Explorer during OpenSLL certificate creation (e.g., `explorer.csr`). Create a `.pem` file from the CA certificate in Step 8 and use it as the server certificate in MQTT Explorer.
 
    > **Note**: The thing name must be unique as it will be used as the client ID.
@@ -1,5 +1,37 @@
 # Build Procedure For Matter + AWS
 
+Follow the steps below to set the AWS configuration in the Matter SDK.
+
+## Adding the AWS Server, Client ID, and Cluster Details
+
+1. Open Simplicity Studio. Go to `Settings > SDKs`. Click **Browse to Location** option by right-clicking **Silicon Labs Matter**.
+   ![Matter Extension Browse to Location](images/aws-sdk-location.png)
+
+2. Go to the `third_party/matter_sdk/examples/platform/silabs/matter_aws/matter_aws_interface/include/`.   
+
+3. Update the definitions for the server ID, client ID, and cluster in `MatterAwsConfig.h`:
+
+   - Update the AWS server name at `#define MATTER_AWS_SERVER_HOST ""`.
+   - Update the client ID at `#define MATTER_AWS_CLIENT_ID ""`.
+   - Update the cluster server information as shown in the table below, based on your app:
+
+   | Application Type | Cluster Definition |
+   |------------------|--------------------|
+   | Thermostat | `#define ZCL_USING_THERMOSTAT_CLUSTER_SERVER` |
+   | Lighting | `#define ZCL_USING_ON_OFF_CLUSTER_SERVER` |
+   | Lock | `#define ZCL_USING_DOOR_LOCK_CLUSTER_SERVER` |
+   | Window Covering | `#define ZCL_USING_WINDOW_COVERING_CLUSTER_SERVER` |
+
+    **MatterAwsConfig.h File:**
+
+    ![MatterAwsConfig.h File](./images/matter-aws-config.png)
+
+4. After making the above changes, refresh the `matter-extension` in Simplicity Studio.
+   - In the **Home** tab, from the left panel, select **Settings**.
+   ![Select Settings](images/aws-build-settings.jpg)
+   - Click **SDKs**, ensure the correct version of the SDK is selected, and then click **Refresh** in the right side menu.
+   ![Select Refresh](images/aws-build-sdk-refresh.jpg)
+
 The following steps are common for all apps and should be modified using the Studio Project Configurator tool.
 
 ## Adding the Matter + AWS Component
@@ -30,56 +62,23 @@ To enable the component in Simplicity Studio, add the following components.
 
    ![TLS 1.2 PRF Component](images/tls-prf-component-install.png)
 
-## Adding the AWS Server, Client ID and Cluster Details
-
-1. Go to the `third_party/matter_sdk/examples/platform/silabs/matter_aws/matter_aws_interface/include/` folder from **Browse to Location** option by right-clicking **Silicon Labs Matter** in `Settings > SDKs`.
-
-   ![Matter Extension Browse to Location](images/aws-sdk-location.png)
-
-2. Update the definitions for the server ID, client ID and cluster in `MatterAwsConfig.h`:
-
-   - Update the AWS server name at `#define MATTER_AWS_SERVER_HOST ""`.
-   - Update the client ID at `#define MATTER_AWS_CLIENT_ID ""`.
-   - Update the cluster server information from the below table, based on your app:
-
-   | Application Type | Cluster Definition |
-   |------------------|--------------------|
-   | Thermostat | `#define ZCL_USING_THERMOSTAT_CLUSTER_SERVER` |
-   | Lighting | `#define ZCL_USING_ON_OFF_CLUSTER_SERVER` |
-   | Lock | `#define ZCL_USING_DOOR_LOCK_CLUSTER_SERVER` |
-   | Window Covering | `#define ZCL_USING_WINDOW_COVERING_CLUSTER_SERVER` |
-
-    **MatterAwsConfig.h File:**
-
-    ![MatterAwsConfig.h File](./images/matter-aws-config.png)
-
 ## Building Matter + AWS Application
 
-1. After adding the Matter + AWS component as described above, refresh the `matter-extension` in Simplicity Studio.
-
-2. In the **Home** tab, from the left panel, select **Settings**.
-
-   ![Select Settings](images/aws-build-settings.jpg)
-
-3. Click on **SDKs**, ensure the correct version of the SDK is selected, and then click **Refresh** in the right side menu.
-
-   ![Select Refresh](images/aws-build-sdk-refresh.jpg)
-
-4. Build the Matter + AWS application using Simplicity Studio as described in [Build SOC Application Using Studio](/matter/{build-docspace-version}/matter-wifi-run-demo/build-soc-application-using-studio).
+1. After adding the Matter + AWS component as described above, build the Matter + AWS application using Simplicity Studio as described in [Build SOC Application Using Studio](/matter/{build-docspace-version}/matter-wifi-run-demo/build-soc-application-using-studio).
 
-5. After building and flashing the app, you can see [MATTER_AWS] logs after device bootup.
+2. After building and flashing the app, you can see [MATTER_AWS] logs after device bootup.
 
     ```console
     [00:00:23.400][info  ][SVR] [MATTER_AWS] connection callback started
     [00:00:23.690][info  ][SVR] [MATTER_AWS] MQTT connection status: 0
     [00:00:23.995][info  ][SVR] [MATTER_AWS] MQTT sub request callback: 0
     ```
 
-6. After subscribing to a topic in AWS IoT, you can see the publish logs.
+3. After subscribing to a topic in AWS IoT, you can see the publish logs.
 
    ![Device Logs AWS](./images/aws-device-logs-thermostat-app.png)
 
-7. You can see the same data in AWS IoT.
+4. You can see the same data in AWS IoT.
 
    ![AWS IoT App Data](./images/matter-aws-iot-app-data.png)