Some packages stopped receiving updates for x86_64
One example: 
I noticed this after finding that xorg-font-utils package is now listed as foreign in my system (in output of pacman -Qm). After some little research I found why: 
Currently, if trying to remove xorg-font-utils, pacman shows that some font packages still depend on it. But upstream versions don't.
I don't know how many packages are affected.