I've just released the second release candidate for Symfony 2.1.0.
This release contains several security fixes related to the way XML is handled, and as such, we recommend everyone to upgrade. These issues have been also fixed in Symfony 2.0. Read the 2.0.17 announcement for more details.
After upgrading (see below), run the
web/config.php script from your browser
app/check.php script from the CLI to check if your PHP environment
is setup properly. As we have added new checks, you might find some stuff to
If you have already upgraded to RC1, have a look at the changes you need to make to upgrade to RC2.
This is probably the last release candidate for Symfony 2.1.0. If everything goes fine, the final release will be published next week.