Upgrading FreeBSD 15.0-RELEASE to 15.1-RELEASE: The Official Paths

🫧 Open on Bubbles FreeBSD 15.1- RELEASE was announced on June 16, 2026. If you’re running 15.0- RELEASE , you have a well-defined upgrade path - but the exact steps depend on how your base system is managed. The first question isn’t “which tool should I use?” but “how is my base system installed?” This article follows the official 15.1- RELEASE upgrading instructions , explains the pre-upgrade detection, walks through both supported procedures (distribution-set and packaged-base), and covers the boot-loader