Upgrading from Laravel 11 to 12: Breaking Changes & Deploy Checklist (2026)
Laravel 12 brings enhanced performance, PHP 8.2+ strict typing, and a refined application skeleton. Follow this production checklist to upgrade your existing Laravel 11 applications with zero downtime.
📌 Upgrade Checklist
1. System Requirements
Laravel 12 requires PHP 8.2.0 or higher. Skyversal PaaS provides native PHP 8.2 and 8.3 runtimes.
2. Composer Updates
composer update --with-all-dependencies