Symfony 3.0.0 was released on November 2015 as planned by the Symfony 3 roadmap. As we do with any new Symfony version, we should publish a blog series explaining its new features.
However, Symfony 3.0 is a very special version which contains no new features comparing it with Symfony 2.8. Their only difference is that 3.0 removed any feature marked as deprecated in 2.8.
That's why we won't publish any "New in Symfony 3.0" post. Instead, let's do a quick recap of the new Symfony 2.8 features which are also available on Symfony 3.0.
First, make your application run on Symfony 2.8 without errors. Then, install the PHPUnitBridge component and fix all the reported deprecation issues. Now you are ready to upgrade to Symfony 3.0. You can also use any of these tools to spot and fix those deprecations:
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