The second release candidate build of the 10.3-RELEASE release cycle is now available. Noteworthy changes since 10.3-RC2: the requirement that for a root-on-ZFS setup, ZFS needs to account for at least 50 percent of the resulting partition table was removed from zfsboot; build configurations of csh(1) and tcsh(1) were changed to activate the SAVESIGVEC option, i. e. saving and restoring of signal handlers before/after executing an external command; FreeBSD SA-16:15 and CVE-2016-1885 have been resolved; the netwait rc(8) script has been changed to require firewall setup to be completed, otherwise a ping(8) to the IP address specified via the netwait_ip option may not succeed; in order to be able to work on upcoming Intel Purley platform system, including Skylake Xeon servers, the x86 kernels now align the XSAVE area to a multiple of 64 bytes.

More detail continue to the release announcement for a full changelog.