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UPGRADE-2.8.md

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UPGRADE FROM 2.7 to 2.8

When upgrading Symfony from 2.7 to 2.8, beware of the following changes in the Standard Edition:

  • Assetic is not included by default anymore.
  • It comes with a new major version of sensio/distribution-bundle. If you are updating the bundle in your project as well, the following changes are required:
    • The web configurator got removed. So you need to remove the _configurator routing entry from app/config/routing_dev.yml.
    • The generated app/bootstrap.php.cache does not include autoloading anymore. So you need to add the autoloading code in your front controllers web/app.php, web/app_dev.php, app/console and app/phpunit.xml.dist (bootstrap config).
    • If you have been using the Symfony 3 directory structure already, you need to overwrite the cache and log directories in your AppKernel as it is also done in Symfony 3 now (see app/AppKernel.php).
  • The app/AppKernel.php and app/AppCache.php files are now autoloaded via Composer.

You can have a look at the diff between the 2.7 version of the Standard Edition and the 2.8 version that should help you to apply the changes in your project.

Additionally, we recommend to add phpunit-bridge to handle deprecations in your test suite and to ensure tests are run with full error reporting.