You can see the changes made via the commit log for the latest release.
- sync with https://github.com/illuminate/contracts/releases/tag/v11.18.1
- Add composer sort-packages configuration
- Update copyright date
- Update lint php
- Added contracts
- Arrayable
- CanBeEscapedWhenCastToString
- Config\Repository
- Events\Dispatcher
- Filesystem\Factory
- Filesystem\FileNotFoundException
- Filesystem\Filesystem
- Filesystem\LockTimeoutException
- Htmlable
- Jsonable
- View\Engine
- View\Factory
- View\View
- replace references to urls from http to https
- cleanup of CONTRIBUTING.md, README.md and PHP files dockblocks
- Update copyright year
- Update copyright author
- Bump php version from 5.6 -> 7.4
- Update attributes link
- Update license link
- Lint php files
- Lint composer.json
- Launch. Everything's new!