On my machine I upgraded to this version from xorg-server-1.12.4 and it failed. I lost connectivity to screen:0 due to major ABI version failure of some type. I have not upgraded a single thing from ports since switching to FreeBSD10.1 and use only packaging now. The only remedy I could come up with
pkg install xorg the meta port again. Everything working great. Did not change any configuration options either. Nice job on the upgrade. Thanks