1. ==========================

  2. Django 4.1.2 release notes

  3. ==========================

  4. 

  5. *October 4, 2022*

  6. 

  7. Django 4.1.2 fixes a security issue with severity "medium" and several bugs in

  8. 4.1.1.

  9. 

  10. CVE-2022-41323: Potential denial-of-service vulnerability in internationalized URLs

  11. ===================================================================================

  12. 

  13. Internationalized URLs were subject to potential denial of service attack via

  14. the locale parameter.

  15. 

  16. Bugfixes

  17. ========

  18. 

  19. * Fixed a regression in Django 4.1 that caused a migration crash on PostgreSQL

  20.   when adding a model with ``ExclusionConstraint`` (:ticket:`33982`).

  21. 

  22. * Fixed a regression in Django 4.1 that caused aggregation over a queryset that

  23.   contained an ``Exists`` annotation to crash due to too many selected columns

  24.   (:ticket:`33992`).

  25. 

  26. * Fixed a bug in Django 4.1 that caused an incorrect validation of

  27.   ``CheckConstraint`` on ``NULL`` values (:ticket:`33996`).

  28. 

  29. * Fixed a regression in Django 4.1 that caused a

  30.   ``QuerySet.values()/values_list()`` crash on ``ArrayAgg()`` and

  31.   ``JSONBAgg()`` (:ticket:`34016`).

  32. 

  33. * Fixed a bug in Django 4.1 that caused :attr:`.ModelAdmin.autocomplete_fields`

  34.   to be incorrectly selected after adding/changing related instances via popups

  35.   (:ticket:`34025`).

  36. 

  37. * Fixed a regression in Django 4.1 where the app registry was not populated

  38.   when running parallel tests with the ``multiprocessing`` start method

  39.   ``spawn`` (:ticket:`34010`).

  40. 

  41. * Fixed a regression in Django 4.1 where the ``--debug-mode`` argument to

  42.   ``test`` did not work when running parallel tests with the

  43.   ``multiprocessing`` start method ``spawn`` (:ticket:`34010`).

  44. 

  45. * Fixed a regression in Django 4.1 that didn't alter a sequence type when

  46.   altering type of pre-Django 4.1 serial columns on PostgreSQL

  47.   (:ticket:`34058`).

  48. 

  49. * Fixed a regression in Django 4.1 that caused a crash for :class:`View`

  50.   subclasses with asynchronous handlers when handling non-allowed HTTP methods

  51.   (:ticket:`34062`).

  52. 

  53. * Reverted caching related managers for ``ForeignKey``, ``ManyToManyField``,

  54.   and ``GenericRelation`` that caused the incorrect refreshing of related

  55.   objects (:ticket:`33984`).

  56. 

  57. * Relaxed the system check added in Django 4.1 for the same name used for

  58.   multiple template tag modules to a warning (:ticket:`32987`).
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