Release of libvirt-6.9.0

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The 6.9.0 release of both libvirt and libvirt-python is tagged and
signed tarballs and source RPMs are available at

    https://libvirt.org/sources/
    https://libvirt.org/sources/python/

Thanks everybody who helped with this release by sending patches,
reviewing, testing, or providing any other feedback. Your work is
greatly appreciated.

* New features

  * nodedev: Add support for channel subsystem (CSS) devices on S390

    A CSS device is represented as a parent device of a CCW device.
    This support allows to create vfio-ccw mediated devices with
    ``virNodeDeviceCreateXML()``.

  * qemu: Implement memory failure event

    New event is implemented that is emitted whenever a guest encounters a
    memory failure.

  * qemu: Implement support for ``<transient/>`` disks

    VMs based on the QEMU hypervisor now can use ``<transient/>`` option for
    local file-backed disks to configure a disk which discards changes made to
    it while the VM was active.

  * hyperv: implement new APIs

    The ``virConnectGetCapabilities()``, ``virConnectGetMaxVcpus()``,
    ``virConnectGetVersion()``, ``virDomainGetAutostart()``,
    ``virDomainSetAutostart()``, ``virNodeGetFreeMemory()``,
    ``virDomainReboot()``, ``virDomainReset()``, ``virDomainShutdown()``, and
    ``virDomainShutdownFlags()`` APIs have been implemented in the Hyper-V
    driver.

  * bhyve: implement virtio-9p filesystem support

    Implement virito-9p shared filesystem using the ``<filesystem/>`` element.

  * qemu: Add support for vDPA network devices.

    VMs using the QEMU hypervisor can now specify vDPA network devices
    using ``<interface type='vdpa'>``. The node device APIs also now
    list and provide XML descriptions for vDPA devices.

* Improvements

* Bug fixes

  * hyperv: ensure WQL queries work in all locales

    Relying on the "Description" field caused queries to fail on non-"en-US"
    systems. The queries have been updated to avoid using localized strings.

  * rpc: Fix ``virt-ssh-helper`` detection

    libvirt 6.8.0 failed to correctly detect the availability of the new
    ``virt-ssh-helper`` command on the remote host, and thus always used the
    fallback instead; this has now been fixed.

Enjoy.

Jirka




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