UPGRADE-4.0.md

UPGRADE FROM 3.x to 4.0

Final

All classes are now final.

Assets

Ckeditor has been removed from formatter code, you will have to run:

bin/console ckeditor:install

and then:

bin/console assets:install

to regenerate assets.

Type hints

PHP 7.1 type hints have been added wherever possible, you have to add them in types extending or implementing ours.