Binary upgrades between RELEASE versions (and snapshots of the various security branches) are supported using the man:freebsd-update[8] utility.
-The link:{handbook}cutting-edge/#freebsdupdate-upgrade[binary upgrade procedure] will update unmodified userland utilities, as well as unmodified GENERIC kernels distributed as a part of an official FreeBSD release.
+See the release-specific upgrade procedure, link:../installation/#upgrade-binary[FreeBSD {releaseCurrent} upgrade information], with more details in the FreeBSD handbook link:{handbook}cutting-edge/#freebsdupdate-upgrade[binary upgrade procedure].
+This will update unmodified userland utilities, as well as unmodified GENERIC kernels distributed as a part of an official FreeBSD release.
The man:freebsd-update[8] utility requires that the host being upgraded have Internet connectivity.
+[.warning]
+*Warning*: +
+After upgrading, it is not possible to use `freebsd-update rollback` to return to 12.4-RELEASE or 13.2-RELEASE.
+
+
Source-based upgrades (those based on recompiling the FreeBSD base system from source code) from previous versions are supported, according to the instructions in [.filename]#/usr/src/UPDATING#.
[IMPORTANT]
@@ -186,9 +192,6 @@
The man:zlib[3] library has been updated to version 1.3.1.