OpenBSD 8.0 Released
Contributed by rueda on from the pieces-of-8.0 dept.
The OpenBSD project has announced OpenBSD 8.0, its 61st release.
The new release contains a number of significant improvements, including but certainly not limited to:
OpenBSD/amd64kernel virtual address space is now 512GB [See earlier report]- Mitigation for AMD Zen-2 operation cache corruption added [See commit]
- OpenBSD now uses AES instructions (on
amd64andarm64when available) to increase speed of swap encryption/decryption [See commit] - The
OpenBSD/loongsonhardware platform has been retired [See earlier report] getexecpath(3)added [See commit]drm(4)has been updated to Linux 6.18.53vmm(4)/vmd(8)improvements:- WPA3 support introduced [See earlier report]
syslogd(8)privileged and non-privileged parts now separate binaries [See earlier report]qwz(4)driver for Qualcomm Technologies WCN7850 wireless network devices added [See commit]- PF queues break the 4 Gbps barrier [See earlier report]
httpd(8)andsmtpd(8)are now randomly relinked at boot [See earlier report]httpd(8)has seen many improvements:relayd(8)has received several improvements:- improved default crypto methods for HTTPS [See earlier report]
- support for ECDSA keys and certificates was added [See earlier report]
- filter rules gained support for Lua
patterns(7)[See earlier report] - support for multiple resolvable addresses [See commit]
rtrd(8), a RTR-To-Router protocol daemon, and its control program,rtrctl(8), were imported [See earlier report]acme-client(1)gained support for external account binding [See commit]- Several improvements in OpenBGPD [See earlier reports]
- A number of incremental improvements in
rpki-client(8)[See earlier reports] tmux(1)gained support for floating panes [See commit]- LibreSSL 4.4.0 [See earlier reports]
- OpenSSH 10.6 [See earlier reports]
llvm/clang(1)/lld(1)updated to version 22.1.6 [See earlier report]- LLVM toolchain added to OpenBSD/sparc64 [See earlier report]
- compiler-rt, libunwind, libcxxabi, libcxx updated to version 22.1.8
In addition, this release offers a number of bug fixes and as well as numerous improvements in hardware support.
See the full changelog for more details of the changes made over this latest six month development cycle.
The
Installation Guide
details how to get the system up and running with a fresh install,
while those who already run earlier releases should follow the
Upgrade Guide,
in most cases using
sysupgrade(8).
Readers are encouraged to celebrate the new release by donating to the project to support further development of our favourite OS!

