We are pleased to announce the official release of OpenBSD 8.0. This is our 61st release. As in our previous releases, 8.0 provides significant improvements, including new features, in nearly all areas of the system. Platforms specific improvements: amd64 - raised the size of amd64 kernel virtual address space from 4G to 512G, pmap(9) direct map now placed at a random location, sped up swap encryption by using AES cpu instructions; arm64 - added hibernate support, sped up swap encryption by using AES cpu instructions, implemented bounce buffers; luna88k - fixed m88k multiple CMMU register writes, extended m88k kernel-mode CMMU fault handling to handle write protection faults, ensure luna88k m8820x_initialize_cpu() initializes logical CPU #0 on non-MP kernels, faster CMMU walk in luna88k m8820x_cpu_number(); riscv64 - detect CPU extensions and advertise those usable by userland through elf_aux_info(3) AT_HWCAP and AT_HWCAP2 queries....