- update to version 3.9.0:
* (fix) link to disqus article on cursor pagination (#6020)
* Add kloudless as a new premium sponsor (#6241)
* Add building with drf book (#6102)
* Documentation fix for django-admin commands (#6232)
* Remove unnecessary models.py file (#6142)
* Add Oct 18 release date
* Clean up unnecessary if statement (#6163)
* codecov: enable status for patch/changes, comment: diff (#6080)
* Add "optionals not required" build (#6047)
* Fix typo in docs (#6212)
* Update JWT docs. (#6138)
* Fix dist build (#6139)
* Add Django 2.1 to classifiers (#6099)
* Correct schema parsing for JSONField (#5878)
* Ensure that html forms (multipart form data) respect optional fields (#5927)
* Render markdown readme on PyPI (#6004)
* requirements-testing: update pytest and pytest-django (#5972)
* tox/pytest: move posargs, use -ra (#6039)
* Fixed instance being overwritten in pk-only optimization try/except block (#5747)
* Update to Django 2.0 Routing Syntax (#6049)
* requirements-optionals: use psycopg2-binary (#5969)
* [DOCS] python print syntax
* Added djangorestframework-datatables to third-party packages (#5931)
* Fix upload parser test (#6044)
* Allow nullable BooleanField in Django 2.1 (#6183)
* Simplify job matrix on Travis (#6174)
* tests: fix skipping with TestPosgresFieldsMapping (#5965)
* Add docs link to Caching API Guide. (#6012)
* Allow hashing of ErrorDetail to fix #5919 (#5932)