The most recent release of virt-manager tagged 0.9.1-1 released at the end of January 2012 now includes support for usb 2.x.

The first release candidate of Proxmox VE 2.0 which adds high availability

The first release of the RHEV-M upstream project, oVirt, is scheduled for the end of January in a few days time.

Proxmox Virtual Environment (VE), the linux Debian based distribution for managing KVM and Openvz, just released it's 2.0 Beta version adding High Availability support and packages based on qem

qemu 1.0 was released today right on schedule.

The next release of upstream qemu is scheduled for December 1, 2011 and will be tagged as version 1.0.

Last weekend qemu maintainers published the latest stable release of qemu featuring mostly bugfixes.

Today the opensource api for managing platform virtualization , libvirt, announced release 0.9.0. This release lists a very long list of bug fixes, improvements and cleanups.

Last week the latest version of virt-manager was released featuring some new UI features.

Yesterday proxmox ve 1.8 was released featuring support for the new version of qemu-kvm , 0.14.