Symfony framework version upgrade guide using the deprecation-first approach. Use when the user asks to upgrade Symfony to a new minor or major version, fix deprecation warnings, update Symfony recipes, check bundle compatibility, migrate between LTS versions, or plan a Symfony version migration str
Symfony framework version upgrade guide using the deprecation-first approach. Use when the user asks to upgrade Symfony to a new minor or major version, fix deprecation warnings, update Symfony recipes, check bundle compatibility, migrate between LTS versions, or plan a Symfony version migration strategy. Covers PHPUnit Bridge deprecation tracking, recipe updates, bundle compatibility checks, vers