New in Symfony 2.5: Create the Correct Denied HTTP Exception
Symfony 2.5 provides a nice shortcut to not mess up with Access Denied HTTP Exceptions.
New in Symfony 2.5: An even better Form Debugger
Symfony 2.5 improves the great form debugger introduced in 2.4.
New in Symfony 2.5: Better Error Messages for undefined Methods
In Symfony 2.5, the Debug Component helps you debug undefined method calls.