Back in November, Google launched a new AdSense home page design. Many publishers did not switch over because they enjoyed and were accustomed to the old layout.
Well now, they do not have a choice. As of yesterday, it seems like all publishers are forced into the new design.
Here is a screen shot of the design:
Of course, the reporting metrics and summaries have changed a bit on this new design. And with that, there are complaints. We have threads at WebmasterWorld and Google AdSense Help. Here are some of the complaints:
Forum discussion at WebmasterWorld and Google AdSense Help.