Django 2.2.1 release notes

    Django 2.2.1 fixes several bugs in 2.2.

    • Fixed a regression in Django 2.1 that caused the incorrect quoting of database user password when using on Oracle ().
    • 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 ().
    • Fixed crash of ordering argument in ArrayAgg and when it contains an expression with params (#30332).
    • Prevented from generating infinite migrations for check constraints and partial indexes when condition contains a range object ().
    • Reverted an optimization in Django 2.2 (#29725) that caused the inconsistent behavior of count() and on a reverse many-to-many relationship with a custom manager ().
    • 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 ().
    • 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 generates SQL that is not indexable (#30385).
    • Relaxed the system check added in Django 2.2 for the admin app’s dependencies to reallow use of subclasses, rather than requiring django.contrib.sessions to be in (#30312).
    • Increased the default timeout when using to 5 seconds to prevent falling back to StatReloader on larger projects and made it customizable via the 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 ().
    • Fixed a regression in Django 2.2 that caused a crash of runserver when URLConf modules raised exceptions ().
    • 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 SQLite when adding a check constraint with condition contains | () operator ().