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manifest: sdk-connectedhomeip: Fix reliability issues with multicasts #17633

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Oct 11, 2024
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manifest: sdk-connectedhomeip: Fix reliability issues with multicasts #17633

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9 changes: 9 additions & 0 deletions doc/nrf/releases_and_maturity/known_issues.rst
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Expand Up @@ -385,6 +385,15 @@ Matter

The issues in this section are related to the :ref:`ug_matter` protocol.

.. rst-class:: v2-7-0 v2-6-2 v2-6-1 v2-6-0 v2-5-3 v2-5-2 v2-5-1 v2-5-0 v2-4-4 v2-4-3 v2-4-2 v2-4-1 v2-4-0

KRKNWK-19524: Reliability issues with multicast message delivery for certain Access Points.
Certain Access Points require Wi-Fi devices to send Multicast Listener Discovery version 2 (MLDv2) Report messages for multicast packets to be properly delivered to a given address.
Matter over Wi-Fi devices only subscribed to multicast addresses within the internal IPv6 stack, without notifying the Access Points, leading to reliability issues with multicast message delivery.

**Workaround:** To ensure reliable multicast communication, use the :c:func:`net_ipv6_mld_join` and :c:func:`net_ipv6_mld_leave` functions to explicitly subscribe or unsubscribe to multicast addresses.
For reference, see the commit with the fix in the ``sdk-connectedhomeip`` repository (commit hash: ``TBD``).
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Seems that the hash was not updated before merging to 08acaf44604acef6679bd7eb2d6b51245bcfa54c. Will file a PR for it.


.. rst-class:: v2-7-0

KRKNWK-19443: The device commissioning window can be opened for longer than 900 seconds, which violates the Matter specification.
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