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Django 2.1 release notes - UNDER DEVELOPMENT

Welcome to Django 2.1!

These release notes cover the new features, as well as some backwards incompatible changes you’ll want to be aware of when upgrading from Django 2.0 or earlier. We’ve dropped some features that have reached the end of their deprecation cycle, and we’ve begun the deprecation process for some features.

See the Upgrading Django to a newer version guide if you’re updating an existing project.

Python compatibility

Django 2.1 supports Python 3.5, 3.6, and 3.7. Django 2.0 is the last version to support Python 3.4. We highly recommend and only officially support the latest release of each series.

What’s new in Django 2.1

Minor features

Cache

CSRF

Database backends

Email

File Storage

File Uploads

Forms

Generic Views

Internationalization

Management Commands

Migrations

Models

  • Models can now use __init_subclass__() from PEP 487.

Requests and Responses

Serialization

Signals

Templates

Tests

URLs

Validators

Backwards incompatible changes in 2.1

Database backend API

django.contrib.gis

  • Support for SpatiaLite 4.0 is removed.

Dropped support for MySQL 5.5

The end of upstream support for MySQL 5.5 is December 2018. Django 2.1 supports MySQL 5.6 and higher.

Dropped support for PostgreSQL 9.3

The end of upstream support for PostgreSQL 9.3 is September 2018. Django 2.1 supports PostgreSQL 9.4 and higher.

Miscellaneous

Features deprecated in 2.1

Miscellaneous

Features removed in 2.1

These features have reached the end of their deprecation cycle and are removed in Django 2.1. See Features deprecated in 1.11 for details, including how to remove usage of these features. in Django 2.1. See Features deprecated in 1.11 and for details, including how to remove usage of these features.

  • contrib.auth.views.login(), logout(), password_change(), password_change_done(), password_reset(), password_reset_done(), password_reset_confirm(), and password_reset_complete() are removed.
  • The extra_context parameter of contrib.auth.views.logout_then_login() is removed.
  • django.test.runner.setup_databases() is removed.
  • django.utils.translation.string_concat() is removed.
  • django.core.cache.backends.memcached.PyLibMCCache no longer supports passing pylibmc behavior settings as top-level attributes of OPTIONS.
  • The host parameter of django.utils.http.is_safe_url() is removed.
  • Silencing of exceptions raised while rendering the {% include %} template tag is removed.
  • DatabaseIntrospection.get_indexes() is removed.
  • The authenticate() method of authentication backends requires request as the first positional argument.
  • The django.db.models.permalink() decorator is removed.
  • The USE_ETAGS setting is removed. CommonMiddleware and django.utils.cache.patch_response_headers() no longer set ETags.
  • The Model._meta.has_auto_field attribute is removed.
  • Support for regular expression groups with iLmsu# in url() is removed.
  • Support for Widget.render() methods without the renderer argument is removed.
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