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
dbshell on Oracle
(#30307).
- Added compatibility for
psycopg2 2.8 (#30331).
- Fixed a regression in Django 2.2 that caused a crash when loading the
template for the technical 500 debug page (#30324).
- Fixed crash of
ordering argument in
ArrayAgg and
StringAgg when it contains an
expression with params (#30332).
- Fixed a regression in Django 2.2 that caused a single instance fast-delete
to not set the primary key to
None (#30330).
- Prevented
makemigrations from generating infinite migrations for
check constraints and partial indexes when condition contains
a range object (#30350).
- Reverted an optimization in Django 2.2 (#29725) that caused the
inconsistent behavior of
count() and exists() on a reverse
many-to-many relationship with a custom manager (#30325).
- Fixed a regression in Django 2.2 where
Paginator crashes if object_list is
a queryset ordered or aggregated over a nested JSONField key transform
(#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 (#30328).
- Fixed a regression in Django 2.2 where
SearchVector generates SQL that is
not indexable (#30385).
- Fixed a regression in Django 2.2 that caused an exception to be raised when
a custom error handler could not be imported (#30318).
- Relaxed the system check added in Django 2.2 for the admin app's dependencies
to reallow use of
SessionMiddleware subclasses,
rather than requiring django.contrib.sessions to be in
INSTALLED_APPS (#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 DJANGO_WATCHMAN_TIMEOUT environment variable (#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 (#30351).
- Fixed a regression in Django 2.2 that caused a crash of
runserver
when URLConf modules raised exceptions (#30323).
- Fixed a regression in Django 2.2 where changes were not reliably detected by
auto-reloader when using
StatReloader (#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) (#30408).
- Fixed a migration crash on Oracle and SQLite when adding a check constraint
with
condition contains | (OR) operator (#30412).