ChangeLog/4.2: Difference between revisions
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=== Build Dependencies === | === Build Dependencies === | ||
* The minimum version of the glib library is now 2.48 | |||
=== Testing === | === Testing === | ||
Revision as of 09:43, 23 August 2019
System emulation
Incompatible changes
- The minimum version of the glib library is now 2.48
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
Xtensa
Device emulation and assignment
ACPI
Audio
Block devices
GPIO
Graphics
Input devices
IPMI
Network devices
NVDIMM
PCI/PCIe
SCSI
SMBIOS
TPM
USB
VFIO
virtio
Xen
fw_cfg
9pfs
Semihosting
Audio
Character devices
Crypto subsystem
GUI
Host support
- Any backend that supports connection as an Inet client (NBD, chardev, network device, monitor...) can now request to use TCP keep-alive with the server.
Memory backends
Monitor
Migration
Network
Block device backends and tools
- Block drivers can now support BDRV_REQ_PREFETCH for more efficient handling of copy-on-read requests; the NBD driver has wired this up to NBD_CMD_CACHE.
- The LUKS block driver supports falloc/full preallocation
Tracing
Miscellaneous
User-mode emulation
Alpha
TCG
Guest agent
Build Information
Python
GIT submodules
Build Dependencies
- The minimum version of the glib library is now 2.48
Testing
Windows
Known issues
- see Planning/4.2