This change updates our supported version range to the LTS release of Django (2.2) and the current release of Django (3.1).
Removed support for Django 1.11

Additions

• Added support for Django 3.1

Removals

• {% load staticfiles %} and {% load admin_static %} were deprecated in Django 2.1, and removed in Django 3.0

Testing

1. tox

Checklist

• PR has an informative and human-readable title
• Changes are limited to a single goal (no scope creep)
• Code can be automatically merged (no conflicts)
• Code follows the standards laid out in the development playbook
• Passes all existing automated tests
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future todos are captured in comments
• Visually tested in supported browsers and devices (see checklist below 👇)
• Project documentation has been updated
• Reviewers requested with the Reviewers tool ➡️

Testing checklist

Browsers

• Chrome
• Firefox
• Safari
• Internet Explorer 8, 9, 10, and 11
• Edge
• iOS Safari
• Chrome for Android

Accessibility

• Keyboard friendly
• Screen reader friendly

Other

• Is useable without CSS
• Is useable without JS
• Flexible from small to large screens
• No linting errors or warnings
• JavaScript tests are passing