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Xen Project 4.4.3 Maintenance Release is Available

By August 25, 2015March 4th, 2019Announcements

I am pleased to announce the release of Xen 4.4.3. We recommend that all users of the 4.4 stable series update to this latest maintenance release.
Xen 4.4.3 is available immediately from its git repository:;a=shortlog;h=refs/heads/stable-4.4
    (tag RELEASE-4.4.3)
or from the Xen Project download page at
This release contains many bug fixes and improvements. For example:

  • A number of bug fixes that affected libvirt, in particular when used with OpenStack (this release contains all changes that we use in the Xen Project OpenStack CI loop; also see related OpenStack news, Latest News on Xen Support in libvirt & Xen and OpenStack);
  • Stability improvements to CPUPOOL handling, in particular when used with different schedulers;
  • Stability improvements to EFI support on some x86 platforms;
  • Security fixes since the release of Xen 4.4.2

For a complete list of changes in this release, please check lists of changes on the download page.