This was in response to a Yorick question regarding when he would see a buff in a patch:
Originally Posted by Morello
8 days ago as of this writing, with patches typically coming out every 14 days (though 21 day cycles exist in some cases).
We have to wait for patches to make changes unless it's an emergency or really simple to fix, since we don't want to risk instability with a lot of small changes.
Riot is pretty good at releasing their champ on the Tuesday/Wednesday after the Art/Champ Spotlight, and Wednesday will be the two week anniversary of 188.8.131.52, so Wednesday at the latest is my educated guess.