==========================Django 3.1.5 release notes==========================*January 4, 2021*Django 3.1.5 fixes several bugs in 3.1.4.Bugfixes========* Fixed ``__isnull=True`` lookup on key transforms for:class:`~django.db.models.JSONField` with Oracle and SQLite(:ticket:`32252`).* Fixed a bug in Django 3.1 that caused a crash when processing middlewares inan async context with a middleware that raises a ``MiddlewareNotUsed``exception (:ticket:`32299`).* Fixed a regression in Django 3.1 that caused the incorrect prefixing of``STATIC_URL`` and ``MEDIA_URL`` settings, by the server-provided value of``SCRIPT_NAME`` (or ``/`` if not set), when set to a URL specifying theprotocol but without a top-level domain, e.g. ``http://myhost/``(:ticket:`32304`).