Upgrade Laravel 11.x to Laravel 12.x
The Laravel 12.x Shift automates the upgrade of your Laravel application from Laravel 11.x to Laravel 12.x. Using the Laravel 12.x Shift to automatically upgrade your Laravel application has an estimated time savings of 2 hours.
While Laravel 12.x still receives bug fixes until August 13th, 2026 and security fixes until February 24th, 2027, it is no longer receives active development. As such, Shift recommends continuing your upgrade to the latest stable release of Laravel.
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Requirements
- A Laravel application running Laravel 11.x.
- A server running PHP 8.2 or higher.
Core Upgrades
The Laravel 12.x Shift automates many of the upgrades listed in the Laravel Upgrade Guide, including:
- Upgrading changes within the core Laravel project files.
- Merging new configuration options and
ENVvariables. - Converting the model
$castsproperty to a method. - Detecting deprecated code within your application code.
- Updating core dependencies for Laravel 12 and PHP 8.2.
Additional Upgrades
In addition to the Core Upgrades, the Laravel 12.x Shift performs additional upgrades beyond those listed in the Laravel Upgrade Guide, including:
- Applying your code style.
- Modernizing PHP syntax, such as short arrays and the null safe operator.
- Adopting new PHP Attributes available in Laravel.
- Refactoring away from traits in your base controller.
- Converting controller middleware to use the new method.
- Adding the new
composer run devscript. - Bumping your dependencies for popular packages.
Manual Upgrades
There are some upgrades the Laravel 12.x Shift can not perform automatically. When Shift detects these it adds a detailed comment to the Pull Request to guide any additional steps you may need to do manually.
While Shift attempts to detect and automate the updates for popular packages, you may need to update some of your dependencies manually. Always review the changelog for your dependencies for any additional changes.