Hello, On behalf of the QEMU Team, I'd like to announce the availability of the QEMU 4.2.0 release. This release contains 2200+ commits from 198 authors.
You can grab the tarball from our download page here: https://www.qemu.org/download/#source The full list of changes are available at: https://wiki.qemu.org/ChangeLog/4.2 Highlights include: * TCG plugin support for passive monitoring of instructions and memory accesses * block: NBD block driver now supports more efficient handling of copy-on-read requests * block: NBD server optimizations for copying of sparse images, and general fixes/improvements for NBD server/client implementations * block/crypto: improved performance for AES-XTS encryption for LUKS disk encryption * vfio-pci support for "failover_pair_id" property for easier migration of VFIO devices * virtio-mmio now supports virtio-compatible v2 personality and virtio 1.1 support for packed virtqueues * 68k: new "next-cube" machine for emulating a classic NeXTcube * 68k: new "q800" machine for emulating Macintosh Quadro 800 * ARM: new "ast2600-evb" machine for emulating Aspeed AST2600 SoC * ARM: semihosting v2.0 support with STDOUT_STDERR/EXIT_EXTENDED extentions * ARM: KVM support for more than 256 CPUs * ARM: "virt" machine now supports memory hotplugging * ARM: improved TCG emulation performance * ARM: KVM support for SVE SIMD instructions on SVE-capable hardware * PowerPC: emulation support for mffsce, mffscrn, and mffscrni POWER9 instructions * PowerPC: "powernv" machine now supports Homer and OCC SRAM system devices * RISC-V: "-initrd" argument now supported * RISC-V: debugger can now see all architectural state * s390: emulation support for IEP (Instruction Execution Protection) * SPARC: "sun4u" IOMMU now supports "invert endianness" bit * x86: VMX features can be enabled/disabled via "-cpu" flags * x86: new "microvm" machine that uses virtio-mmio instead of PCI for use as baseline for performance optimizations * x86: emulation support for AVX512 BFloat16 extensions * x86: new CPU models for Denverton (server-class Atom-based SoC), Snowridge, and Dhyana * x86: macOS Hypervisor.framework support ("-accel hvf") now considered stable * xtensa: new "virt" machine type * xtensa: call0 ABI support for user-mode emulation * and lots more... Thank you to everyone involved!
