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==========================
Django 2.2.1 release notes
==========================
*May 1, 2019*
Django 2.2.1 fixes several bugs in 2.2.
Bugfixes
========
* Fixed a regression in Django 2.1 that caused the incorrect quoting of
database user password when using :djadmin:`dbshell` on Oracle
(:ticket:`30307`).
* Added compatibility for ``psycopg2`` 2.8 (:ticket:`30331`).
* Fixed a regression in Django 2.2 that caused a crash when loading the
template for the technical 500 debug page (:ticket:`30324`).
* Fixed crash of ``ordering`` argument in
:class:`~django.contrib.postgres.aggregates.ArrayAgg` and
:class:`~django.contrib.postgres.aggregates.StringAgg` when it contains an
expression with params (:ticket:`30332`).
* Fixed a regression in Django 2.2 that caused a single instance fast-delete
to not set the primary key to ``None`` (:ticket:`30330`).
* Prevented :djadmin:`makemigrations` from generating infinite migrations for
check constraints and partial indexes when ``condition`` contains
a :class:`~python:range` object (:ticket:`30350`).
* Reverted an optimization in Django 2.2 (:ticket:`29725`) that caused the
inconsistent behavior of ``count()`` and ``exists()`` on a reverse
many-to-many relationship with a custom manager (:ticket:`30325`).
* Fixed a regression in Django 2.2 where
:class:`~django.core.paginator.Paginator` crashes if ``object_list`` is
a queryset ordered or aggregated over a nested ``JSONField`` key transform
(:ticket:`30335`).
* Fixed a regression in Django 2.2 where ``IntegerField`` validation of
database limits crashes if ``limit_value`` attribute in a custom validator is
callable (:ticket:`30328`).
* Fixed a regression in Django 2.2 where
:class:`~django.contrib.postgres.search.SearchVector` generates SQL that is
not indexable (:ticket:`30385`).
* Fixed a regression in Django 2.2 that caused an exception to be raised when
a custom error handler could not be imported (:ticket:`30318`).
* Relaxed the system check added in Django 2.2 for the admin app's dependencies
to reallow use of
:class:`~django.contrib.sessions.middleware.SessionMiddleware` subclasses,
rather than requiring :mod:`django.contrib.sessions` to be in
:setting:`INSTALLED_APPS` (:ticket:`30312`).
* Increased the default timeout when using ``Watchman`` to 5 seconds to prevent
falling back to ``StatReloader`` on larger projects and made it customizable
via the :envvar:`DJANGO_WATCHMAN_TIMEOUT` environment variable
(:ticket:`30361`).
* Fixed a regression in Django 2.2 that caused a crash when migrating
permissions for proxy models if the target permissions already existed. For
example, when a permission had been created manually or a model had been
migrated from concrete to proxy (:ticket:`30351`).
* Fixed a regression in Django 2.2 that caused a crash of :djadmin:`runserver`
when URLConf modules raised exceptions (:ticket:`30323`).
* Fixed a regression in Django 2.2 where changes were not reliably detected by
auto-reloader when using ``StatReloader`` (:ticket:`30323`).
* Fixed a migration crash on Oracle and PostgreSQL when adding a check
constraint with a ``contains``, ``startswith``, or ``endswith`` lookup (or
their case-insensitive variant) (:ticket:`30408`).
* Fixed a migration crash on Oracle and SQLite when adding a check constraint
with ``condition`` contains ``|`` (``OR``) operator (:ticket:`30412`).
|
