Google posted on the AdWords Blog a review and some new features around managing your AdWords account in bulk by making it easier and more streamlined to manage your campaigns.
Google updated their bulk spreadsheet upload feature. They said they added more "intuitive spreadsheet formats, in-context options to upload changes directly into the appropriate campaigns and ad groups, and the ability to preview your updates and check for errors before posting them." Here is the new view for uploading that data:
Also, Google made changes to the bulk editing directly within the AdWords interface. Specifically, Google added the ability to edit location targeting or ad rotation settings across multiple campaigns, or update your ad extensions, such as with sitelinks, callouts, and apps. Here is that interface:
More details at the Google blog.
Forum discussion at Google+.