symfony 1.4.18 has just been released. It contains a security fix.
About the Symfony 2.1 release cycle.
Don't miss the 2012 edition of the Symfony Live conference in San Francisco.
Fill-in the Symfony community survey and be included in a raffle with great Symfony goodies up for grabs.
This week, Symfony 2.1 updated its minimum required PHP version to 5.3.3, which contains a lot of bug fixes. Meanwhile, Dependency Injection and Session were the most active components in the repository.
The one where I give many great news for the upcoming Symfony Live Conference in Paris.