OpenBSD 8.0 Released

October 20, 2026

OpenBSD 8.0 has been released with major virtualization and hardware upgrades, including support for up to 64 vCPUs per VM, Intel Arc graphics, ARM64 hibernation, and expanded RISC-V support. Linuxiac points out that it marks the “61st release of the security-focused Unix-like operating system.” From the report: Several fixes improve compatibility with 32-bit Linux guests, while changes to virtual machine ownership management and interrupt emulation make the virtualization infrastructure more capable. Graphics support has also been upgraded, with DRM drivers updated to those from Linux kernel 6.18.53. Notably, OpenBSD 8.0 adds support for Intel Arc A-Series (Alchemist) graphics cards through the inteldrm driver.

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Another important change increases the amd64 kernel’s virtual address space from 4 GB to 512 GB, allowing the system to map over 4 GB of video memory. The release also addresses GPU timeout issues affecting some Intel Alder Lake systems. […] For security, OpenBSD 8.0 adds checks and fixes across the kernel and system utilities, including improvements to pledge and unveil, tighter validation of executable files, and protections against memory corruption and information disclosure. A full list of changes can be found here.