Release of libvirt-10.8.0

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The 10.8.0 release of both libvirt and libvirt-python is tagged and
signed tarballs are available at

    https://download.libvirt.org/
    https://download.libvirt.org/python/

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

* Improvements

  * network: make networks with ``<forward mode='open'/>`` more useful

    It is now permissable to have a ``<forward mode='open'>`` network that
    has no IP address assigned to the host's port of the bridge. This
    is the only way to create a libvirt network where guests are
    unreachable from the host (and vice versa) and also 0 firewall
    rules are added on the host.

    It is now also possible for a ``<forward mode='open'/>`` network to
    use the ``zone`` attribute of ``<bridge>`` to set the firewalld zone of
    the bridge interface (normally it would not be set, as is done
    with other forward modes).

  * storage: Lessen dependancy on the ``showmount`` program

    Libvirt now automatically detects presence of ``showmount`` during runtime
    as we do with other helper programs and also the
    ``daemon-driver-storage-core`` RPM package now doesn't strongly depend on it
    if the users wish for a more minimal deployment.

  * Switch from YAJL to json-c for JSON parsing and formatting

    The parser and formatter in the libvirt library, as well
    as the parsers in the nss plugin were rewritten to use json-c
    instead of YAJL, which is effectively dead upstream.

  * Relax restrictions for memorytune settings

    It should now be possible to use resctrl on AMD CPUs as well as Intel CPUs
    when the resctrl filesystem is mounted with ``mba_MBps`` option.

* Bug fixes

  * virsh: Fix script-friedly output of ``virsh list --uuid``

    The script-friendly output of just 1 UUID per line was mistakenly replaced
    by the full human-targetted table view full of redundant information
    and very hard to parse. Users who wish to see the UUIDs in the tabular
    output need to use ``virsh list --table --uuid`` as old behaviour was
    reverted.

    Note that this also broke the ``libvirt-guests`` script. The bug was
    introduced in `v10.7.0 (2024-09-02)`_.

  * network/qemu: fix some cases where ``device-update`` of a network
    interface was failing:

    * If the interface was connected to a libvirt network that was
      providing a pool of VFs to be used with macvtap passthrough
      mode, then *any* update to the interface would fail, even
      changing the link state. Updating (the updateable parts of) a
      macvtap passthrough interface will now succeed.

    * It previously was not possible to move an interface from a Linux
      host bridge to an OVS bridge. This (and the opposite direction)
      now works.

  * qemu: backup: Fix possible crashes when running monitoring commands during backup job

    The qemu monitor code was fixed to not crash in specific cases when
    monitoing APIs are called during a backup job.

  * Fix various memleaks and overflows

    Multiple memory leaks and overflows in corner cases were fixed based on
    upstream issues reported.

  * network: Better cleanup after disappeared networks

    If a network disappeared while virtnetworkd was not running not all clean up
    was done properly once the daemon was started, especially when only the
    network interface disappeared.  This could have in some cases resulted in
    the network being shown as inactive, but not being able to start.

  * qemu: Remember memory backing directory for domains

    If ``memory_backing_dir`` is changed during the lifetime of a domain with
    file backed memory, files in the old directory would not be cleaned up once
    the domain is shut down.  Now the directory that was used during startup is
    remembered for each running domain.

Enjoy.

Jirka




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