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-rw-r--r--docs/releases/4.0.txt4
1 files changed, 4 insertions, 0 deletions
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