Symfony 5.3.0 has just been released. As for any other
Symfony minor release, our backward compatibility promise applies and this means
that you should be able to upgrade easily without changing anything in your
code.
During the last couple of months, we've blogged about the great 5.3 new
features. I highly
recommend you to read these articles about Symfony 5.3 as they contain the
major changes for this new version:
