Changelog for nRF Connect SDK v3.0.0-preview1

This Changelog reflects the most relevant changes from the latest official release.

Known issues

Known issues are only tracked for the latest official release. See known issues for nRF Connect SDK v2.9.0-nRF54H20-1 for the list of issues valid for the latest release.

Changelog

The following sections provide detailed lists of changes by component.

IDE, OS, and tool support

Board support

No changes since the latest nRF Connect SDK release.

Build and configuration system

Bootloaders and DFU

No changes since the latest nRF Connect SDK release.

Developing with nRF91 Series

No changes since the latest nRF Connect SDK release.

Developing with nRF70 Series

Working with nRF54H Series

Developing with nRF54L Series

Developing with nRF53 Series

No changes since the latest nRF Connect SDK release.

Developing with nRF52 Series

No changes since the latest nRF Connect SDK release.

Developing with Front-End Modules

Developing with PMICs

No changes since the latest nRF Connect SDK release.

Security

Protocols

No changes since the latest nRF Connect SDK release.

Amazon Sidewalk

No changes since the latest nRF Connect SDK release.

Bluetooth® LE

  • Fixed an issue where a flash operation executed on the system workqueue might result in -ETIMEDOUT, if there is an active Bluetooth LE connection.

  • Fixed an issue where Bluetooth applications built with the nordic-bt-rpc snippet (in the Bluetooth Low Energy Remote Procedure Call configuration) did not work on the nRF54H20 devices due to incorrect memory mapping.

  • Updated the Bluetooth LE SoftDevice Controller driver to make the hci_vs_sdc_llpm_mode_set() function return an error if Low Latency Packet Mode (LLPM) is not supported or not enabled in the Bluetooth LE Controller driver configuration (CONFIG_BT_CTLR_SDC_LLPM).

Bluetooth Mesh

No changes since the latest nRF Connect SDK release.

DECT NR+

No changes since the latest nRF Connect SDK release.

Enhanced ShockBurst (ESB)

  • Added loading of radio trims and a fix of a hardware errata for the nRF54H20 SoC to improve the RF performance.

Gazell

No changes since the latest nRF Connect SDK release.

Matter

Matter fork

No changes since the latest nRF Connect SDK release.

nRF IEEE 802.15.4 radio driver

No changes since the latest nRF Connect SDK release.

Thread

No changes since the latest nRF Connect SDK release.

Zigbee

  • Fixed the zb_add_ota_header.py script to allow a patch version higher than 9 in an APPLICATION_VERSION_STRING.

Wi-Fi

No changes since the latest nRF Connect SDK release.

Applications

This section provides detailed lists of changes by application.

Machine learning

Asset Tracker v2

  • Updated the application to use the Downloader library instead of the deprecated Download client library.

Connectivity Bridge

No changes since the latest nRF Connect SDK release.

IPC radio firmware

  • Updated the application to enable the Zephyr Memory Storage (ZMS) file system in all devices that contain MRAM, such as the nRF54H Series devices.

Matter Bridge

  • Enabled SUIT DFU support for the Matter bridge application. Currently, only the Matter OTA protocol is fully supported for SUIT DFU purposes.

  • Enabled Link Time Optimization (LTO) by default for the release configuration.

nRF5340 Audio

No changes since the latest nRF Connect SDK release.

nRF Desktop

  • Updated:

  • Added:

    • System Power Management for the nRF54H20 DK board target on the application and radio cores.

    • Application configurations for the nRF54L05 and nRF54L10 SoCs (emulated on the nRF54L15 DK). The configurations are supported through nrf54l15dk/nrf54l10/cpuapp and nrf54l15dk/nrf54l05/cpuapp board targets. For details, see the nRF Desktop: Board configuration.

    • The dongle_small configuration for the nRF52833 DK. The configuration enables logs and mimics the dongle configuration used for small SoCs.

nRF Machine Learning (Edge Impulse)

No changes since the latest nRF Connect SDK release.

Serial LTE modem

  • Added an overlay overlay-memfault.conf file to enable Memfault. For more information about Memfault features in nRF Connect SDK, see Memfault.

  • Updated the application to use the Downloader library instead of the deprecated Download client library.

Thingy:53: Matter weather station

  • Enabled Link Time Optimization (LTO) by default for the release configuration.

Samples

This section provides detailed lists of changes by sample.

Amazon Sidewalk samples

No changes since the latest nRF Connect SDK release.

Bluetooth samples

Bluetooth Fast Pair samples

  • Added support for the nrf54l15dk/nrf54l05/cpuapp and nrf54l15dk/nrf54l10/cpuapp board targets in all Fast Pair samples.

  • Updated:

    • The non-secure target (nrf5340dk/nrf5340/cpuapp/ns and thingy53/nrf5340/cpuapp/ns) configurations of all Fast Pair samples to use configurable TF-M profile instead of the predefined minimal TF-M profile: This change results from the Bluetooth subsystem transition to the PSA cryptographic standard. The Bluetooth stack can now use the PSA crypto API in the non-secure domain as all necessary TF-M partitions are configured properly.

    • The configuration of all Fast Pair samples by increasing the following thread stack sizes to prevent stack overflows:

      This change results from the Bluetooth subsystem transition to the PSA cryptographic API.

  • Bluetooth Fast Pair: Locator tag sample:

    • Added support for the nRF54H20 DK board target.

    • Updated the partition layout for the nrf5340dk/nrf5340/cpuapp/ns and thingy53/nrf5340/cpuapp/ns board targets to accommodate the partitions needed due to change in the TF-M profile configuration.

Bluetooth Mesh samples

Cellular samples

Cryptography samples

No changes since the latest nRF Connect SDK release.

Debug samples

No changes since the latest nRF Connect SDK release.

DECT NR+ samples

No changes since the latest nRF Connect SDK release.

Edge Impulse samples

No changes since the latest nRF Connect SDK release.

Enhanced ShockBurst samples

No changes since the latest nRF Connect SDK release.

Gazell samples

No changes since the latest nRF Connect SDK release.

Keys samples

No changes since the latest nRF Connect SDK release.

Matter samples

  • Updated the Matter: Template sample document with the instructions on how to build the sample on the nRF54L15 DK with support for Matter OTA DFU and DFU over Bluetooth SMP, and using internal MRAM only.

  • Enabled SUIT DFU support for the Matter: Door lock, and Matter: Template samples. Currently, only the Matter OTA protocol is fully supported for SUIT DFU purposes.

  • Enabled Link Time Optimization (LTO) by default for the release configuration and nrf7002dk/nrf5340/cpuapp build target.

Networking samples

  • Updated:

NFC samples

No changes since the latest nRF Connect SDK release.

nRF5340 samples

  • Removed the nRF5340: Multiprotocol RPMsg sample. Use the IPC radio firmware application instead.

Peripheral samples

  • Radio test (short-range) sample:

    • Added loading of radio trims and a fix of a hardware errata for the nRF54H20 SoC to improve the RF performance.

PMIC samples

  • nPM1300: Fuel gauge sample:

    • Updated to accommodate API changes in nRF Fuel Gauge library v1.0.0.

No changes since the latest nRF Connect SDK release.

Protocol serialization samples

No changes since the latest nRF Connect SDK release.

SDFW samples

  • Removed the SDFW: Service Framework Client sample as all services demonstrated by the sample have been removed.

Sensor samples

No changes since the latest nRF Connect SDK release.

SUIT samples

No changes since the latest nRF Connect SDK release.

Trusted Firmware-M (TF-M) samples

Thread samples

No changes since the latest nRF Connect SDK release.

Zigbee samples

No changes since the latest nRF Connect SDK release.

Wi-Fi samples

Other samples

  • CoreMark sample:

    • Added:

      • Support for the nRF54L05 and nRF54L10 SoCs (emulated on nRF54L15 DK).

      • FLPR core support for the nRF54L15 DK board target.

Drivers

This section provides detailed lists of changes by driver.

No changes since the latest nRF Connect SDK release.

Wi-Fi drivers

No changes since the latest nRF Connect SDK release.

Libraries

This section provides detailed lists of changes by library.

Binary libraries

  • LwM2M carrier library:

    • Updated the glue to use the Downloader library instead of the deprecated Download client library.

Bluetooth libraries and services

Common Application Framework

No changes since the latest nRF Connect SDK release.

Debug libraries

No changes since the latest nRF Connect SDK release.

DFU libraries

No changes since the latest nRF Connect SDK release.

Gazell libraries

No changes since the latest nRF Connect SDK release.

Security libraries

No changes since the latest nRF Connect SDK release.

Modem libraries

  • Deprecated the AT parameters library.

  • PDN library:

  • LTE link control library:

    • Fixed handling of %NCELLMEAS notification with status 2 (measurement interrupted) and no cells.

    • Added sending of LTE_LC_EVT_NEIGHBOR_CELL_MEAS event with current_cell set to LTE_LC_CELL_EUTRAN_ID_INVALID in case an error occurs while parsing the %NCELLMEAS notification.

  • Modem key management library:

    • Added:

      • The modem_key_mgmt_digest() function that would retrieve the SHA1 digest of a credential from the modem.

      • The modem_key_mgmt_list() function that would retrieve the security tag and type of every credential stored in the modem.

    • Fixed:

      • An issue with the modem_key_mgmt_clear() function where it returned -ENOENT when the credential was cleared.

      • A race condition in several functions where +CMEE error notifications could be disabled by one function before the other one got a chance to run its command.

      • An issue with the modem_key_mgmt_clear() function where +CMEE error notifications were not restored to their original state if the AT%CMNG AT command failed.

      • The modem_key_mgmt_clear() function to lock the shared scratch buffer.

  • Updated the Network interface driver to automatically set the actual link Maximum Transmission Unit (MTU) on the network interface when PDN connectivity is gained.

  • Modem library integration layer:

    • Fixed a bug where various subsystems would be erroneously initialized during a failed initialization of the library.

  • Location library:

    • Removed references to HERE location services.

  • AT Host library:

    • Fixed a bug where AT responses would erroneously be written to the logging UART instead of being written to the chosen ncs,at-host-uart UART device when the CONFIG_LOG_BACKEND_UART Kconfig option was set.

  • Modem information library:

Multiprotocol Service Layer libraries

No changes since the latest nRF Connect SDK release.

Libraries for networking

Libraries for NFC

No changes since the latest nRF Connect SDK release.

nRF RPC libraries

No changes since the latest nRF Connect SDK release.

Other libraries

  • Removed the following unused SDFW services: echo_service, reset_evt_service, and sdfw_update_service.

Security libraries

No changes since the latest nRF Connect SDK release.

Shell libraries

No changes since the latest nRF Connect SDK release.

Libraries for Zigbee

No changes since the latest nRF Connect SDK release.

sdk-nrfxlib

See the changelog for each library in the nrfxlib documentation for additional information.

Scripts

This section provides detailed lists of changes by script.

No changes since the latest nRF Connect SDK release.

Integrations

This section provides detailed lists of changes by integration.

Google Fast Pair integration

  • Added instructions on how to provision the Fast Pair data onto devices without the Partition Manager support, specifically for the nRF54H20 DK.

Edge Impulse integration

No changes since the latest nRF Connect SDK release.

Memfault integration

AVSystem integration

No changes since the latest nRF Connect SDK release.

nRF Cloud integration

No changes since the latest nRF Connect SDK release.

CoreMark integration

No changes since the latest nRF Connect SDK release.

DULT integration

No changes since the latest nRF Connect SDK release.

MCUboot

The MCUboot fork in nRF Connect SDK (sdk-mcuboot) contains all commits from the upstream MCUboot repository up to and including a2bc982b3379d51fefda3e17a6a067342dce1a8b, with some nRF Connect SDK specific additions.

The code for integrating MCUboot into nRF Connect SDK is located in the ncs/nrf/modules/mcuboot folder.

The following list summarizes both the main changes inherited from upstream MCUboot and the main changes applied to the nRF Connect SDK specific additions:

  • Fixed an issue where an unusable secondary slot was cleared three times instead of once during cleanup.

Zephyr

The Zephyr fork in nRF Connect SDK (sdk-zephyr) contains all commits from the upstream Zephyr repository up to and including fdeb7350171279d4637c536fcceaad3fbb775392, with some nRF Connect SDK specific additions.

For the list of upstream Zephyr commits (not including cherry-picked commits) incorporated into nRF Connect SDK since the most recent release, run the following command from the ncs/zephyr repository (after running west update):

git log --oneline fdeb735017 ^beb733919d

For the list of nRF Connect SDK specific commits, including commits cherry-picked from upstream, run:

git log --oneline manifest-rev ^fdeb735017

The current nRF Connect SDK main branch is based on revision fdeb735017 of Zephyr.

Note

For possible breaking changes and changes between the latest Zephyr release and the current Zephyr version, refer to the Zephyr release notes.

Additions specific to nRF Connect SDK

No changes since the latest nRF Connect SDK release.

zcbor

No changes since the latest nRF Connect SDK release.

Trusted Firmware-M

No changes since the latest nRF Connect SDK release.

cJSON

No changes since the latest nRF Connect SDK release.

Documentation