Petite news intéressante pour ceux qui suivre l'actualité de l'hyperviseur. Je me contenterais juste de relayer le contenu du mail apparu sur les mailing-list de Xen (User/Devel)
Folks,

The Xen team is pleased to announce the release of 4.1.2 and 4.0.3 from the
active stable branches.

Fixes/features include:
* New XL toolstack
* kexec/kdump
* Remus
* Device passthrough to HVM guests
* Interrupt handling
* Support for Supervisor Mode Execution Protection (SMEP)

These releases are tagged in the mercurial repositories:
http://xenbits.xen.org/xen-4.1-testing.hg (tag 'RELEASE-4.1.2')
http://xenbits.xen.org/staging/xen-4.0-testing.hg (tag 'RELEASE-4.0.3')

Or tarballs can be downloaded:
http://bits.xensource.com/oss-xen/release/4.1.2/xen-4.1.2.tar.gz
http://bits.xensource.com/oss-xen/release/4.0.3/xen-4.0.3.tar.gz
De mon côté, j'attends surtout la sortie de Xen 4.2