The first release candidate of the 9.1-RELEASE release cycle is now available on the FTP servers for amd64, i386, and powerpc64. The MD5/SHA256 checksums are at the bottom of this message. The ISO images and, for architectures that support it, the memory stick images are available here: ftp://ftp.freebsd.org/pub/FreeBSD/releases/ISO-IMAGES/9.1/ (or any of the FreeBSD mirror sites). Current plans are for there to be one more RC build, followed by the release itself. The current target schedule is here: http://www.freebsd.org/releases/9.1R/schedule.html If you notice any problems you can report them through the normal Gnats PR system or here on the -stable mailing list. With both the doc and ports repositories now moved to SVN it has been decided to not export the 9.1 release branch activity to CVS. So csup/cvsup update mechanisms are not available for updating to 9.1-RC1. If you would like to use SVN the branch to use is releng/9.1. The freebsd-update(8) utility supports binary upgrades of i386 and amd64 systems running earlier FreeBSD releases. Systems running 9.0-RELEASE can upgrade as follows: # freebsd-update upgrade -r 9.1-RC1 During this process, FreeBSD Update may ask the user to help by merging some configuration files or by confirming that the automatically performed merging was done correctly. # freebsd-update install The system must be rebooted with the newly installed kernel before continuing. # shutdown -r now After rebooting, freebsd-update needs to be run again to install the new userland components, and the system needs to be rebooted again: # freebsd-update install # shutdown -r now Users of earlier FreeBSD releases (FreeBSD 7.X, 8.X) can also use freebsd-update to upgrade to FreeBSD 9.1-RC1, but will be prompted to rebuild all third-party applications (e.g., anything installed from the ports tree) after the second invocation of "freebsd-update install", in order to handle differences in the system libraries between FreeBSD 7.X or FreeBSD 8.X and FreeBSD 9.X.