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89 lines
3.7 KiB
Plaintext
89 lines
3.7 KiB
Plaintext
==========================
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Django 3.1.1 release notes
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==========================
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*September 1, 2020*
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Django 3.1.1 fixes two security issues and several bugs in 3.1.
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CVE-2020-24583: Incorrect permissions on intermediate-level directories on Python 3.7+
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======================================================================================
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On Python 3.7+, :setting:`FILE_UPLOAD_DIRECTORY_PERMISSIONS` mode was not
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applied to intermediate-level directories created in the process of uploading
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files and to intermediate-level collected static directories when using the
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:djadmin:`collectstatic` management command.
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You should review and manually fix permissions on existing intermediate-level
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directories.
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CVE-2020-24584: Permission escalation in intermediate-level directories of the file system cache on Python 3.7+
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===============================================================================================================
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On Python 3.7+, the intermediate-level directories of the file system cache had
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the system's standard umask rather than ``0o077`` (no group or others
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permissions).
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Bugfixes
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========
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* Fixed wrapping of translated action labels in the admin's navigation sidebar
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for East Asian languages (:ticket:`31853`).
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* Fixed wrapping of long model names in the admin's navigation sidebar
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(:ticket:`31854`).
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* Fixed encoding session data while upgrading multiple instances of the same
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project to Django 3.1 (:ticket:`31864`).
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* Adjusted admin's navigation sidebar template to reduce debug logging when
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rendering (:ticket:`31865`).
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* Fixed a data loss possibility in the
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:meth:`~django.db.models.query.QuerySet.select_for_update()`. When using
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related fields pointing to a proxy model in the ``of`` argument, the
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corresponding model was not locked (:ticket:`31866`).
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* Fixed a data loss possibility, following a regression in Django 2.0, when
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copying model instances with a cached fields value (:ticket:`31863`).
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* Fixed a regression in Django 3.1 that caused a crash when decoding an invalid
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session data (:ticket:`31895`).
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* Reverted a deprecation in Django 3.1 that caused a crash when passing
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deprecated keyword arguments to a queryset in
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``TemplateView.get_context_data()`` (:ticket:`31877`).
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* Enforced thread sensitivity of the :class:`MiddlewareMixin.process_request()
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<django.utils.deprecation.MiddlewareMixin>` and ``process_response()`` hooks
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when in an async context (:ticket:`31905`).
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* Fixed ``__in`` lookup on key transforms for
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:class:`~django.db.models.JSONField` with MariaDB, MySQL, Oracle, and SQLite
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(:ticket:`31936`).
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* Fixed a regression in Django 3.1 that caused permission errors in
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``CommonPasswordValidator`` and ``settings.py`` generated by the
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:djadmin:`startproject` command, when user didn't have permissions to all
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intermediate directories in a Django installation path (:ticket:`31912`).
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* Fixed detecting an async ``get_response`` callable in various builtin
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middlewares (:ticket:`31928`).
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* Fixed a ``QuerySet.order_by()`` crash on PostgreSQL when ordering and
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grouping by :class:`~django.db.models.JSONField` with a custom
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:attr:`~django.db.models.JSONField.decoder` (:ticket:`31956`). As a
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consequence, fetching a ``JSONField`` with raw SQL now returns a string
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instead of pre-loaded data. You will need to explicitly call ``json.loads()``
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in such cases.
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* Fixed a ``QuerySet.delete()`` crash on MySQL, following a performance
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regression in Django 3.1 on MariaDB 10.3.2+, when filtering against an
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aggregate function (:ticket:`31965`).
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* Fixed a ``django.contrib.admin.EmptyFieldListFilter`` crash when using on
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reverse relations (:ticket:`31952`).
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* Prevented content overflowing in the admin changelist view when the
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navigation sidebar is enabled (:ticket:`31901`).
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