=========================== Django 1.8.10 release notes =========================== *Under development* Django 1.8.10 fixes several bugs in 1.8.9. Bugfixes ======== * Fixed a crash on PostgreSQL that prevented using ``TIME_ZONE=None`` and ``USE_TZ=False`` (:ticket:`26177`). * Added system checks for query name clashes of hidden relationships (:ticket:`26162`). * Made ``forms.FileField`` and ``utils.translation.lazy_number()`` picklable (:ticket:`26212`). * Fixed :class:`~django.contrib.postgres.fields.RangeField` and :class:`~django.contrib.postgres.fields.ArrayField` serialization with ``None`` values (:ticket:`26215`). * Reallowed dashes in top-level domain names of URLs checked by ``URLValidator`` to fix a regression in Django 1.8 (:ticket:`26204`). * Fixed ``BoundField`` to reallow slices of subwidgets (:ticket:`26267`). * Prevented ``ContentTypeManager`` instances from sharing their cache (:ticket:`26286`).