matter: Increase default retry interval for Thread

Damian-Nordic · cvinayak · commit 3ae80a70aee6 · 2024-04-22T12:10:50.000+02:00
The current 800ms is not enough in real setups, where Thread
routers must serve as intermediate hops for many parallel
conversations. Bump this to 2s.

Signed-off-by: Damian Krolik &lt;damian.krolik@nordicsemi.no&gt;
diff --git a/doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst b/doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst
@@ -81,7 +81,7 @@ Bluetooth Mesh
 Matter
 ------
 
-|no_changes_yet_note|
+* Updated default MRP retry intervals for Thread devices to two seconds to reduce the number of spurious retransmissions in Thread networks.
 
 Matter fork
 +++++++++++
diff --git a/samples/matter/light_bulb/src/chip_project_config.h b/samples/matter/light_bulb/src/chip_project_config.h
@@ -14,11 +14,3 @@
  */
 
 #pragma once
-
-/*
- * Switching from Thread child to router may cause a few second packet stall.
- * Until this is improved in OpenThread we need to increase the retransmission
- * interval to survive the stall.
- */
-#define CHIP_CONFIG_MRP_LOCAL_IDLE_RETRY_INTERVAL (1000_ms32)
-#define CHIP_CONFIG_MRP_LOCAL_ACTIVE_RETRY_INTERVAL (1000_ms32)
diff --git a/west.yml b/west.yml
@@ -154,7 +154,7 @@ manifest:
     - name: matter
       repo-path: sdk-connectedhomeip
       path: modules/lib/matter
-      revision: 0987a50c6fc6b123e0f0bb97cfe1feff6a5f63b2
+      revision: ca3672fbb939180da8e43e6994e01c89fa9dcd02
       submodules:
         - name: nlio
           path: third_party/nlio/repo
