OpenBSD 8.0 beefs up virtual machines and gets a taste of Wine
OpenBSD 8.0 is the 61st release and introduces support for multiprocessor VMs with up to 64 virtual CPUs, increases kernel virtual memory address space to 512 GB (from 4 GB), and adds hibernation support for Arm64 machines. Component upgrades include OpenSSH 10.6, LibreSSL 4.4.0, and Linux 6.18 DRM graphics drivers. The default compiler switches to Clang/LLVM 22 across architectures including SPARC64, though Loongson architecture support is dropped.
Key points
- VM support expanded to 64 vCPUs per guest and 512 GB kernel memory on x86-64
- GPU VRAM support improved through larger address space allocation
- Hibernation added for Arm64; AES-accelerated encrypted swap on both platforms
- Security updates: OpenSSH 10.6, LibreSSL 4.4.0, recent fixes for shared-memory kernel bugs
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