ChangeLog/5.2

IMPORTANT NOTE: in this release we have switched our build system to Meson. Building should be broadly unchanged for most users, but please see the 'Build Information' section of the changelog for details.

System emulation

Arm

• The SMMUv3 model now supports SMMUv3.2 range invalidation

Migration

• A new 'block-bitmap-mapping' migration parameter is added, allowing finer control of which bitmaps to migrate, even when node names differ between source and destination.

Build Information

• The build system is now partly based on Meson. However, building is still done with configure and make as in previous versions of QEMU.
• Binaries for emulators are placed in the root build directory, for example as qemu-system-ppc instead of ppc-softmmu/qemu-system-ppc. Symbolic links from the old binary are preserved to simplify the transition.
• In-tree builds are not supported anymore. The build system will try to cater for ./configure && make && make install by building QEMU in a directory named build, but you are encouraged to switch to out-of-tree builds instead.

Build Dependencies

• GNU Make 3.82 is now the minimum supported release for building QEMU. Note that this version is not included in macOS and must be installed from packaging systems such as Homebrew.
• Python setuptools are now required to build QEMU.

Known issues

• see Planning/5.2