From 4ab3ef238edfa7c7b7c2c4420c7ae5b722bde121 Mon Sep 17 00:00:00 2001
From: David Wobrock <david.wobrock@gmail.com>
Date: Wed, 28 Apr 2021 21:21:33 +0200
Subject: [PATCH] Fixed #32675 -- Doc'd that autodector changes might cause
 generation of no-op migrations.

Follow up to aa4acc164d1247c0de515c959f7b09648b57dc42.
---
 docs/releases/4.0.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/releases/4.0.txt b/docs/releases/4.0.txt
index faf3d0fa1e..ab65c31094 100644
--- a/docs/releases/4.0.txt
+++ b/docs/releases/4.0.txt
@@ -392,6 +392,10 @@ Miscellaneous
 * Tests that fail to load, for example due to syntax errors, now always match
   when using :option:`test --tag`.
 
+* The migrations autodetector now uses model states instead of model classes.
+  As a side-effect ``makemigrations`` might generate no-op ``AlterField``
+  operations for ``ForeignKey`` fields in some cases.
+
 .. _deprecated-features-4.0:
 
 Features deprecated in 4.0