django/docs/releases/4.0.2.txt
Mariusz Felisiak e972620ada
Fixed #33462 -- Fixed migration crash when altering type of primary key with MTI and foreign key.
This prevents duplicated operations when altering type of primary key
with MTI and foreign key. Previously, a foreign key to the base model
was added twice, once directly and once by the inheritance model.

Thanks bcail for the report.

Regression in 325d7710ce.
2022-01-27 18:51:39 +01:00

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==========================
Django 4.0.2 release notes
==========================
*February 1, 2022*
Django 4.0.2 fixes two security issues with severity "medium" and several bugs
in 4.0.1.
Bugfixes
========
* Fixed a bug in Django 4.0 where ``TestCase.captureOnCommitCallbacks()`` could
execute callbacks multiple times (:ticket:`33410`).
* Fixed a regression in Django 4.0 where ``help_text`` was HTML-escaped in
automatically-generated forms (:ticket:`33419`).
* Fixed a regression in Django 4.0 that caused displaying an incorrect name for
class-based views on the technical 404 debug page (:ticket:`33425`).
* Fixed a regression in Django 4.0 that caused an incorrect ``repr`` of
``ResolverMatch`` for class-based views (:ticket:`33426`).
* Fixed a regression in Django 4.0 that caused a crash of ``makemigrations`` on
models without ``Meta.order_with_respect_to`` but with a field named
``_order`` (:ticket:`33449`).
* Fixed a regression in Django 4.0 that caused incorrect
:attr:`.ModelAdmin.radio_fields` layout in the admin (:ticket:`33407`).
* Fixed a duplicate operation regression in Django 4.0 that caused a migration
crash when altering a primary key type for a concrete parent model referenced
by a foreign key (:ticket:`33462`).