ChangeLog/2.9
System emulation
Incompatible changes
Future incompatible changes
ARM
KVM
MIPS
PowerPC
pSeries
s390
SH
SPARC
TileGX
Tricore
x86
Xen
Device emulation and assignment
ACPI
Block devices
Network devices
SCSI
PCI/PCIe
USB
VFIO
virtio
Xen
fw_cfg
The fw_cfg_io and fw_cfg_mem devices now have more slots for files; the FW_CFG_FILE_SLOTS constant has been replaced with the (internal only) x-file-slots property. The property can be further raised in future machine types if absolutely necessary.