Documentation Virtualization Beat

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CDROM Emulation

Many fixes to comply with the ATAPI specification
GET_EVENT_STATUS_NOTIFICATION: Implement 'media' subcommand that helps report tray open/close, media present/absent states to guests. Newer Linux guests (kernels 2.6.38+) rely on this command to revalidate discs.
Major code refactoring and cleanup

Upstream release notes

Update to qemu 0.15, refer upstream changes at http://wiki.qemu.org/ChangeLog/0.15

Xen

Xen support merged into qemu

x86

Stable guest TSC across migration
Support for VIA CPU features

General

Several memory leak fixes in all virtio devices

qemu-img

The performance of qemu-img convert has been improved
qemu-img convert and rebase now support the -p option which enables progress display

qcow2

Improved the performance of creating/deleting internal snapshots

Guest Agent

Added the guest agent that supports snapshotting,

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