OpenBSD 7.9 Released as Project's 60th Version, Upgrade Guide Published

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The OpenBSD Project released version 7.9 on May 19, 2026, marking the operating system's 60th release. The upgrade from 7.8 to 7.9 is primarily handled via the sysupgrade command, which downloads and applies new system sets automatically before rebooting. Users are advised to ensure at least 1.1 GB of free space under /usr and to review configuration and syntax changes before proceeding. Notable changes in this release include a major PostgreSQL update, bringing it to version 18.1, which may require advance data backups. After the upgrade, administrators may need to manually run sysmerge in certain cases to reconcile configuration file differences.

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