diff --git a/doc/releases/release-notes-2.6.rst b/doc/releases/release-notes-2.6.rst
index 27f313095ea1b..63b19272aa5e5 100644
--- a/doc/releases/release-notes-2.6.rst
+++ b/doc/releases/release-notes-2.6.rst
@@ -283,6 +283,13 @@ Drivers and Sensors
 
 * CAN
 
+  * A driver for CAN-FD based on the Bosch M_CAN IP was added. The driver
+    currently supports STM32G4 series MCUs. Additional support for Microchip
+    SAM and NXP chips is in progress.
+
+  * The CAN ISO-TP subsystem was enhanced to allow padding and fixed
+    addressing.
+
 * Clock Control
 
 * Console
@@ -617,6 +624,15 @@ Libraries / Subsystems
 
 * Storage
 
+* Task Watchdog
+
+  * This new subsystem was added with this release and allows supervision of
+    individual threads. It is based on a regularly updated kernel timer,
+    whose ISR is never actually called in regular system operation.
+
+    An existing hardware watchdog can be used as an optional fallback if the
+    task watchdog itself gets stuck.
+
 * Tracing
 
   * ``CONFIG_TRACING_CPU_STATS`` was removed in favor of