OpenBSD 8.0 brings a substantial hardware and toolchain refresh: the drm graphics stack (inteldrm, radeondrm, amdgpu) has been updated to match Linux 6.18.y/6.18.53, adding support for Intel Arc A‑Series (DG2/Alchemist) GPUs and enabling mapping of more than 4 GB of VRAM on amd64 by increasing kernel virtual address space to 512 GB. Clang/LLVM 22 is now the default compiler on supported architectures, and sparc64 has completed its transition to Clang, making OpenBSD unique in supporting sparc64 with a modern toolchain. Virtualization received major scaling work - vmm/vmd now supports SMP guests with up to 64 vCPUs - reflecting hackathon-driven contributions.
Platform and usability improvements extend across devices and services: a new qwz(4) Wi‑Fi driver supports Qualcomm WCN7850 (ath12k), and sambat(4) provides battery monitoring for Samsung Galaxy Book4 Edge (Snapdragon/arm64). Swap encryption is accelerated on amd64 and arm64 using AES instructions, and arm64/riscv64 boards can blink LEDs to display load averages. httpd gained custom response headers and header‑based blocking/filtering, and contributors landed OpenSSH work this cycle. The release highlights coordinated community effort and many incremental low‑level updates that improve hardware support, performance, and server features.
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