The American Ornithologists’ Union published the fifty-First Supplement to the American Ornithologists' Union Check-List of North American Birds.
Some english names will change, like the Greater shearwater becoming Great Shearwater, the Whip-poor-will changing to Eastern Whip-poor-will and the Black scoter becoming American Scoter.
AOU seems very active in the past 2 years. Many many names changed in french also (tangara becomed piranga last year!)