- Drop support for Django 3.2 and lower.
- Replace jQuery-UI's [sortable](https://jqueryui.com/sortable/) against
[Sortable.js](https://sortablejs.github.io/Sortable/).
- Use TypeScript instead of JavaScript for all client side code.
- Remove all extended Django admin templates: This allows a smoother upgrade
for future Django versions.
- New feature: Select multiple rows and drag them to a new position.