Linux 2.6.32 has been released on December 3rd 2009.
List of the major changes done to each Linux kernel release. Other places to get news about the Linux kernel are LWN kernel status, LWN list of API changes in 2.6, KernelPodcast or www.lkml.org. List of changes of older releases can be found at Linux26Changes. If you’re going to add something here look first at LinuxChangesRules.
Official website: kernel.org