Symfony version(s) affected

6.3 (maybe also lower)

Description

When running Symfony on PHP 8.3 Beta 3, the following deprecation warning will be emitted/displayed:

Deprecated: ini_set(): assert.warning INI setting is deprecated in /your/app/root/vendor/symfony/runtime/Internal/BasicErrorHandler.php on line 35

How to reproduce

Default Symfony installation on PHP 8.3 beta 3

Possible Solution

No response

Additional Context