Network Stack SDK Version 2.14.1 (August 7, 2026) - Release Notes#
The Netstack software development kit (SDK) provides robust network protocol support, including TCP/IP, UDP, and DNS capabilities for embedded applications.
Click here for earlier releases.
Release Summary#
Key Features | API Changes | Bug Fixes | Chip Enablement
Key Features#
None
API Changes#
None
Bug Fixes#
None
Chip Enablement#
None
Key Features#
New Features | Enhancements | Removed Features | Deprecated Features
Note: See Feature Matrix for a list of any applicable APIs, examples, software variants, modes, hardware, and host interfaces for each feature.
New Features#
None
Enhancements#
None
Removed Features#
None
Deprecated Features#
None
API Changes#
New APIs | Modified APIs | Removed APIs | Deprecated APIs
New APIs#
None
Modified APIs#
None
Removed APIs#
None
Deprecated APIs#
None
Bug Fixes#
| ID | Issue Description | GitHub / Salesforce Reference (if any) | Affected Chip Revision, Hardware, Host Interfaces |
|---|---|---|---|
| None | None | None |
|
Chip Enablement#
None
Application Example Changes#
New Examples | Modified Examples | Removed Examples | Deprecated Examples
New Examples#
None
Modified Examples#
None
Removed Examples#
None
Deprecated Examples#
None
Known Issues and Limitations#
| ID | Issue or Limitation Description | GitHub / Salesforce Reference (if any) | Workaround (if any) | Affected Chip Revision, Hardware, Host Interfaces |
|---|---|---|---|---|
| NA | TLS handshakes may occasionally fail due to incorrect ECC curve parameter generation, resulting in a BBD2 error. The handshake typically succeeds on a subsequent retry. | None | None |
|
| NA | MQTT disconnects may occur during firmware updates if powersave is enabled. Disable powersave during the update and re-enable it after completion. | None | None |
|
| NA | All GCM-based cipher suites are software-implemented and may exhibit limited performance. | None | None |
|
| NA | In WPA2-Enterprise security mode, there are limitations when retrieving wireless statistics using the rsi_wlan_get() API. | None | None |
|
| NA | In Concurrent Mode, communication loss may occur on the STA application when multiple clients are connected to the AP simultaneously. | None | None |
|
| NA | In STA + AP Concurrent Mode, IP address conflict detection has limitations, and any conflict detection failures are not reported to the host. | None | None |
|
| NA | During firmware update via OTA (TCP/HTTP), a corrupted firmware image can leave the module unresponsive on the next boot. | None | None |
|
| NA | TLS connection problems may occur when attempting to revoke public and private keys using existing keys. | None | None |
|
| NA | Observed inconsistencies in TCP and UDP RX throughput in AP-alone mode. | None | None |
|
| NA | A duplicate IPv6 address is observed to be assigned to multiple STAs operating in AP mode. | None | None |
|
| NA | Ping timeouts may occur when configured with a 1-second timeout. | None | None |
|
| NA | Applications using the USB interface support Wi-Fi-only, Wi-Fi + BLE, and Wi-Fi + BTC modes. The Wi-Fi + BLE + BTC coexistence mode is not supported in OS-enabled (Linux) environments and is limited to bare-metal and FreeRTOS only. | None | None |
|
| NA | Command-based soft reset using the USB interface is not supported. The application must perform a chip reset. | None | None |
|
| 1557290 | TCP TX/RX throughput is observed to be approximately 30% lower than UDP throughput. | None | None |
|
| 1649047 | UDP RX and TCP RX operation failures are observed in STA + BLE coexistence throughput scenarios when Robust Mode is enabled. | None | None |
|
| 1648571 | UDP TX throughput operations fail in STA + BLE coexistence mode, irrespective of whether Robust Mode is enabled or disabled. | None | None |
|
| 1648555 | No data transfer is observed during SSL TX and SSL RX throughput operations in the STA + BLE coexistence throughput application, regardless of whether Robust Mode is enabled or disabled. | None | None |
|
| 1629919 | HTTP GET requests fail when downloading large files (~1 MB) on RS9116W in UART + SAPI mode. | None | None |
|