ChangeLog/3.1
System emulation
Incompatible changes
- The "tls", "x509", and "x509verify" options to "-vnc" have been removed. The "tls-creds" option should be used instead to point to a "tls-creds-x509" object created using "-object"
New deprecated options and features
Consult the "Deprecated Features" appendix for the full list of historically deprecated features/options.
Alpha
68k
Arm
HPPA
Microblaze
MIPS
Nios2
OpenRISC
PowerPC
RISC-V
s390
SH
SPARC
TileGX
Tricore
x86
- Documented recommendations for choosing CPU models to ensure good performance and security of x86 guests.
Xtensa
Device emulation and assignment
ACPI
Audio
Block devices
Graphics
Input devices
IPMI
Network devices
NVDIMM
PCI/PCIe
SCSI
SMBIOS
TPM
USB
VFIO
virtio
Xen
fw_cfg
9pfs
Audio
Character devices
Crypto subsystem
- The XTS cipher mode performance has been approximately doubled
GUI
Host support
Memory backends
Monitor
Migration
Network
Block devices and tools
- The "qemu-img convert" command handling of secrets has been fixed, allowing creation of LUKS encrypted target files.
Tracing
Miscellaneous
User-mode emulation
TCG
Guest agent
Build Information
Build Dependencies
- Support for the GTK2 display frontend has been removed. GTK3 should be used instead
- The minimum GTK3 version is now 3.14.0
- The minimum GNUTLS version is now 3.1.18
- The minimum libgcrypt version is now 1.5.0
- The minimum nettle version is now 2.7.1
Known issues
- see Planning/3.1