- Switched MSR accesses to deny by default policy.
- Intel Processor Trace support (Tech Preview)
- Named PCI devices for xl/libxl
+ - Improved documentation for xl PCI configuration format
- Support for zstd-compressed dom0 (x86) and domU kernels
- Library improvements from NetBSD ports upstreamed
- CI loop: Add Alpine Linux, Ubuntu Focal targets; drop CentOS 6
- x86: Allow domains to use AVX-VNNI instructions
- Factored out HVM-specific shadow code, improving code clarity and reducing the size of PV-only hypervisor builds
- Added XEN_SCRIPT_DIR configuration option to specify location for Xen scripts, rather than hard-coding /etc/xen/scripts
-
+ - xennet: Documented a way for the backend (or toolstack) to specify MTU to the frontend
### Removed / support downgraded