If you're a symfony user and haven't upgraded your framework installation for a while, the symfony blog has a reminder for you - the End of Life for the symfony 1.1 series is coming up fast.
As announced when we released it initially, the support for the 1.1 version of symfony comes to its end - targeted for the end of June 2009. [...] For those of you who can't upgrade the PHP version they use in production, e.g. those using and running the latest long-term support RHEL, you will be pleased to know that security-related patches will be applied during one more year to the 1.1 branch. So your existing project running Symfony 1.1 on PHP 5.1 are safe until June 2010.