Get the latest tech news
QEMU 10.1.0
ChangeLog/10.1 Release schedule: Planning/10.1. System emulation Removed features and incompatible changes Consult the 'Removed features' page for details of suggested replacement functionality.
QMP blockdev-mirror gained a new boolean flag target-is-zero that can be used to optimize mirroring of a sparse file to a destination that already reads as zero. blockdev-backup gained a new option on-cbw-error that allow users to specify how to behave when IO errors occur during copy-before-write operations. HMP QEMU now attempts to arrange for larger buffers when using NBD over Unix sockets, which dramatically improves throughput.
Or read this on Hacker News