Upgrading a Symfony application to PHP 8. 4 doesn't have to mean rewriting half the codebase. For applications that have been running in production for years, the real challenge is deciding what to modernize, what to keep, and how to move forward without turning a technical upgrade into a long a...
Source: [Dev.to](https://dev.to/jatniel/symfony-and-php-84-modernizing-without-rewriting-everything-4mj6)