Django-jsonfield-backport

Fixes

- Fix `DatabaseFeatures` issue for management commands and shell (30)
- Postgres tests failing due to deprecated `LooseVersion` in `distutils

Fixes

- `JSONField.bound_data` raises `TypeError` when `data` is `None` (32)
- `DeprecationWarning` on Django 3.0+ (33)
- Postgres tests failing (35)

Fixes

- Crash on third-party database backends (24)

Fixes

- Installation fails on Django 2.2.0 (18)

Fixes

- `__in` lookup on SQLite, MySQL, MariaDB, and Oracle (15)

As [Django 3.1 has been released][release_notes_31], this package is now bumped to version 1.0.0.

Fixes

- Chaining `KeyTransform` with `contains` lookup uses builtin lookup instead of overridden lookup (12)

Backwards-incompatible changes

- Dropped support for `contains` on Oracle and SQLite.
- Dropped support for `contained_by` on SQLite.

[release_notes_31]: https://docs.djangoproject.com/en/3.1/releases/3.1