From 90d7d2c6ff61b42715c71f6b480b3204d53771f2 Mon Sep 17 00:00:00 2001
From: Jamie McCrae <jamie.mccrae@nordicsemi.no>
Date: Wed, 9 Jul 2025 08:22:13 +0100
Subject: [PATCH] doc: migration: 4.2: Add note on HWMv1

Adds a note that HWMv1 support has now been dropped

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
---
 doc/releases/migration-guide-4.2.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/releases/migration-guide-4.2.rst b/doc/releases/migration-guide-4.2.rst
index 97dc7955f9e..10882e33f8f 100644
--- a/doc/releases/migration-guide-4.2.rst
+++ b/doc/releases/migration-guide-4.2.rst
@@ -23,6 +23,9 @@ the :ref:`release notes<zephyr_4.2>`.
 Build System
 ************
 
+* HWMv1 support has been removed, any out-of-tree boards or SoCs in HWMv1 format must be migrated
+  to :ref:`HWMv2 <hw_model_v2>` to work with Zephyr v4.2 onwards.
+
 Kernel
 ******