Yahoo announced in its weather report:Yahoo! Search Index Update:
“Welcome to our first weather report of the fall season. We are rolling out an index update tonight. As usual, you'll see some changes in ranking along with shuffling of the pages that are included in the index. To share your thoughts with other Yahoo! Search users, please visit the Site Explorer forum. For other feedback or support issues, please refer to our webmaster resources page. We read all your feedback.”
But the surprising news is that it didn't cause any strong waves in the forum discussions. The topic seems to be missed out by some of the major forums.