Linux 3.5 is presented to the world.
Summary: This release includes support for metadata checksums in ext4, userspace probes for performance profiling with tools like Systemtap or perf, a sandboxing mechanism that allows to filters syscalls, a new network queue management algorithm designed to fight bufferbloat, support for checkpointing and restoring TCP connections, support for TCP Early Retransmit (RFC 5827), support for Android-style opportunistic suspend, btrfs I/O failure statistics, and SCSI over Firewire and USB. Many small features and new drivers and fixes are also available.
Sadly not as exciting as it used to be back in the 1.0 and 2.0 days, but still, progress is progress :)