From 8b993f5695c2a3fcb7a02955683191a2472a2a1d Mon Sep 17 00:00:00 2001 From: Seppo Takalo Date: Wed, 2 Aug 2023 13:23:02 +0300 Subject: [PATCH] doc: Add release notes about LwM2M updates DTLS + Tickless Signed-off-by: Seppo Takalo --- .../releases/release-notes-changelog.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst b/doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst index 248341bd3016..1e41fa4c6cd6 100644 --- a/doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst +++ b/doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst @@ -347,6 +347,18 @@ Cellular samples (renamed from nRF9160 samples) * The sample to use the :ref:`lib_nrf_cloud` library function :c:func:`nrf_cloud_obj_pgps_request_create` to create a P-GPS request. +* :ref:`lwm2m_client` sample: + + * Added: + + * An overlay for using DTLS Connection Identifier. + This significantly reduces the DTLS handshake overhead when doing the LwM2M Update operation. + + * Updated: + + * The sample now uses tickless operating mode from Zephyr's LwM2M engine which does not cause device wake-up in 500 ms interval anymore. + This allows the device to achieve 2 uA of current usage while in PSM sleep mode. + Trusted Firmware-M (TF-M) samples --------------------------------- @@ -555,6 +567,10 @@ Libraries for networking * Support for using pre-provisioned X.509 certificates. * Support for using DTLS Connection Identifier + * Updated: + + * Zephyr's LwM2M Connectivity Monitor object now uses a 16-bit value for radio signal strength so it does not roll over on values smaller than -126 dBm. + * :ref:`lib_aws_fota` library: * Updated: