Ctr. for Pub. Integrity v. U.S. Dep't of Commerce (D.D.C.) -- deciding that Commerce and U.S. Office of Government Ethics submitted deficient Vaughn indices and failed to demonstrate that they released all segregable, non-exempt information -- in particular the authors, recipients, dates, and subject fields of emails, letters, and memoranda, which government claimed had no informational value.
Summaries of all published opinions issued since April 2015 are available here.